But there are still settings where wearing your mask is crucial. But a new study examines how the value of these actions also came with costs. In contrast, just one state in July, August, and September and three in October in the high quartile had high COVID-19 rates in the subsequent month. here. Doug Burgum reopened the state nearly fully in May. The opposite was true for states with mandates. In Maryland , Gov. Individuals mask wearing behaviors are not only influenced by recommendations and mandates issued by state leaders, but also by print, televised, and social media [9]. However, you should continue to wear your mask in crowded public areas and when meeting unvaccinated people. Eleven states never mandated masks, while the other 39 states enforced mandates. Writing original draft. Instead of carefully analyzing the effects of masks, the CDC repeatedly tried to justify them by misrepresenting short-term trends and hyping badly flawed research, like studies in Arizona and Kansas purporting to show that infections had been dramatically reduced by the mask mandates imposed in some counties. Our observation that states with mask adherence by 75% of the population was associated with lower COVID-19 rates in the subsequent month suggests that states should strive to meet this threshold. https://doi.org/10.1371/journal.pone.0249891, Editor: Wen-Jun Tu, Chinese Academy of Medical Sciences and Peking Union Medical College, CHINA, Received: January 12, 2021; Accepted: March 26, 2021; Published: April 14, 2021. A relationship between policies and the outbreaks severity has become more clear as the pandemic has progressed. Specifically, we created the following categories: >15% non-Hispanic Black, >15% Hispanic, median age >40 years, and population density >200 people per square mile, which corresponded to 74.5%, 78.4%, 82.4%, and 78.4% of the distributions, respectively. When mask adherence dropped in September, COVID-19 cases increased in October. After the pandemic, a survey of gains and losses. When Can I Go Out in Public Again After Being Fully Vaccinated? Mean COVID-19 rates for states with at least 75% mask adherence in the preceding month was 109.26 per 100,000 compared to 249.99 per 100,000 for those with less adherence. Covering up may give the maskaholics a false sense of securitybut they could breathe more easily if theyd just face the facts. R-0 may be the most important scientific term youve never heard of when it comes to stopping the coronavirus pandemic. But in each state, as Miller shows, infection rates remained lower in the counties that did not mandate masks. If you add up all the numbers on those two lines, you find that the mask mandates made zero difference. John Bel Edwards emergency order will . One of the biggest problems in the United States so far has been the lack of a coherent, cohesive national response, said Wafaa El-Sadr, an epidemiologist at Columbia University. Another consideration is that access to COVID-19 testing appears to vary from state to state [21]. To reduce the rate of COVID-19 cases nationwide, Werler says people need to wear their masks. Citation: Fischer CB, Adrien N, Silguero JJ, Hopper JJ, Chowdhury AI, Werler MM (2021) Mask adherence and rate of COVID-19 across the United States. ", An August 2021 systematic review of 21 observational studies found that all of them "reported SARS-CoV-2 benefits" from mask mandates "in terms of reductions in either the incidence, hospitalization, or mortality, or a combination of these outcomes." Theyre suffering from mask dependency, as this psychological affliction is termed in Japan, where a long tradition of mask-wearing during flu season has left some individuals afraid at any time to expose their faces in public. Using an index that tracks policy responses to the pandemic, these charts show the number of new virus cases and hospitalizations in each state relative to the states recent containment measures. The pandemic has eased, but not the compulsion of many Americans to cover their faces. "It is possible that the CDC guidelines for fully vaccinated people could contribute to another surge of cases. Effectiveness of Mask Wearing to Control Community Spread of SARS-CoV-2. 2021;325(10):998-999. doi:10.1001/jama.2021.1505. By the time the mandates were introduced in New York and other states in the spring of 2020 (at the left side of the graph), infections had already been declining in those states, and the mandates didnt prevent a surge later that year, when cases rose and fell in nearly identical trajectories regardless of states mask policies. One America News Network on March 7 published an article under the headline CDC: Face masks dont prevent COVID-19, study finds masks have negligible impact on coronavirus numbers. The post claims the CDC has admitted face masks do little to prevent the spread of COVID-19 amid mounting pressure to lift mask mandates across the U.S., Butthe CDCs study doesnt say that. States in COVID-19 high-risk categories are listed in Table 1. Over the course of the pandemic, both Iowa and Florida have done better than the national average in measures of Covid mortality as well as overall excess mortality (the number of deaths more than normal from all causes). Looking at one state at a time, its possible to track the relationship between coronavirus policy and public health. Only eight states reported that 75% or more people wore masks between June and September, leading to fewer COVID cases: States with a 75% minimum mask adherence reported about 109.26 COVID-19 cases per 100,000 residents compared to the average of 249.99 per 100,000 residents in states with low mask adherence. No, PLOS is a nonprofit 501(c)(3) corporation, #C2354500, based in San Francisco, California, US, Corrections, Expressions of Concern, and Retractions, https://doi.org/10.1371/journal.pone.0249891, https://covid.cdc.gov/covid-data-tracker/#new-hospital-admissions, https://www.cdc.gov/coronavirus/2019-ncov/more/masking-science-sars-cov2.html, https://www.usnews.com/news/best-states/articles/these-are-the-states-with-mask-mandates, https://www.cebm.net/covid-19/masking-lack-of-evidence-with-politics/, https://cepr.org/sites/default/files/CovidEconomics43.pdf, https://covid19.healthdata.org/united-states-of-america?view=mask-use&tab=trend, https://doi.org/10.18148/srm/2020.v14i2.7761, https://data.cdc.gov/Case-Surveillance/United-States-COVID-19-Cases-and-Deaths-by-State-o/9mfq-cb36/data, https://www.ers.usda.gov/data-products/county-level-data-sets/download-data/, https://www.cdc.gov/coronavirus/2019-ncov/community/schools-childcare/indicators.html#thresholds, https://www.cdc.gov/coronavirus/2019-ncov/need-extra-precautions/index.html?CDC_AA_refVal=https%3A%2F%2Fwww.cdc.gov%2Fcoronavirus%2F2019-ncov%2Fneed-extra-precautions%2Fpeople-at-increased-risk.html. Investigation, Some countries that implemented fast, early restrictions and robust test-and-trace programs have seen the most success. For example, mask wearing in the two weeks before rates begin to rise might be a more sensitive way to measure the association. At Humble ISD, 4.59 percent have tested positive for COVID. But despite an official infection rate that was virtually the same as California's, he adds, "Florida had 33% more deaths per capita than California" during the omicron surge. Methodology, The masks in Germany obviously didnt beat Covid. From the start of the pandemic through this spring, the cumulative rate of Covid mortality has been slightly higher in Sweden than in Germany (by about 15 percent), but the rate of overall excess mortality has been slightly higher in Germany (by about 8 percent). May 16, 2021 / 7:07 AM / CBS News. As of yesterday,The New York Times reports, every state that required people to wear face masks in public places and/or in schools during this winter's COVID-19 surge has decided to lift those mandates, with the exception of Hawaii. Based on data from various countries and U.S. states from May to September 2020, a preprint study published last June found that general mask wearing was associated with a reduction in virus. Writing original draft, More detailed message would go here to provide context for the user and how to proceed. But with variants of concern circulating around the world, masking remains importanteven as the public battles mask fatigue. More could be on the way. Jha thinks vaccination rates areanother important factor: While "only 59% of eligible Florida seniors have gotten boosted," he notes, the rate for California is 70 percent. A couple weeks into those lockdowns, countries with new restrictions may be seeing results: The rate of new daily cases has begun to level off or drop in France, Spain, Germany and Italy, though it continues to rise in the United Kingdom. As indicated on the graph, surveys during the pandemic showed that fewer than 10 percent of Swedes bothered to wear masks. We abstracted daily percentages of the population who say they always wear a mask in public. Latest news. The States and Mask Mandates. J.B. Pritzker. The politicization of COVID-19 epidemiology [9,12] has further complicated policy-making, messaging, and uptake. Vaccinated persons can carry and spread the virus.". The current surge is worst in places with few containment measures. Germanys stringent policies have made it a consistent media darling. The pandemic planners at the United Kingdoms Department of Health had reached a similar conclusion: In line with the scientific evidence, the Government will not stockpile facemasks for general use in the community. Anthony Fauci acknowledged this evidence early in the pandemic, both in his public comments (Theres no reason to be walking around with masks, he told 60 Minutes) and in his private emails (I do not recommend you wear a mask, he told a colleague, explaining that masks were too porous to block the small Covid virus). The wave of new restrictions in the United States follows national and regional lockdowns in Europe, where outbreaks surged past their spring peaks but cases per capita remained lower than many Upper Midwest states. Laboratory studies indicate that masks, especially N95 respirators, can help reduce virus transmission. After reopening early, some Sun Belt states, including Arizona and Texas, imposed restrictions again after case counts climbed. A quarterly magazine of urban affairs, published by the Manhattan Institute, edited by Brian C. Anderson. | Jocelyn Solis-Moreira is a journalist specializing in health and science news. The CDC received some criticism for its junk science on masks, particularly for its false claims about the benefits of masking schoolchildren, but the press mostly promoted the agencys narrative. What theyre looking at here is efficacy of mask mandates. For policies on physical distancing, we recorded whether a stay-at-home order was issued and, if so, when. The Kentucky senator presses on with his fight against the federal governments Covid response. For more information about PLOS Subject Areas, click "We do not find evidence that mandating mask-wearing reduces transmission," the authors reported. If this is true, we would expect associations between mask adherence and high COVID-19 rates to be even stronger. Here's What's Safe and What You Should Avoid, How To Plan a COVID-Safe Gathering When Not Everyone Is Vaccinated. According to Werler, Arizona's data was unexpected. Larry Hogan called on the State Board of Education to . In the United States, policies on mask wearing have varied from state to state over the course of the pandemic [6]. The claim that a CDC study found face masks to have a negligible effect on the spread of COVID-19 is FALSE. Several cities and large counties, including Miami-Dade, Palm Beach and Hillsborough (which includes Tampa), had mask requirements, but Gov. The. The surgical masks didnt stop a subsequent surge throughout the country, and infection rates in Bavaria and Berlin were the same as in German states without the N95 requirement. Methodology, If youve been vaccinated and still feel mortally threatened by the virus, please read this. "They dont know how well people complied with these mandates or what proportion of the populationwas actually wearing masks.. Maskaholics in the press are calling for permanent masking on trains, planes, and buses. Theyre not looking at masks in and of themselves," Josh Petrie, research professor in the University of Michigan's School of Public Health, told USA TODAY. Wearing a mask may still give some people a sense of security, but they could breathe more easily if theyd face the facts. Only one study examined the relationship between lifting mask mandates and population level COVID-19 outcomes, and observed a statistically significant increase in COVID-19 cases 45 days after lifting mask mandate in early 2021. If youre still not convinced to take off the mask, consider one more graph from Miller. He Kept Quiet. Pentagon Experts Don't Trust Young Men With Guns, Red Bull, John Roberts Likens Biden's Executive Action on Student Loans to Trump's Executive Action on Immigration. For the most recent updates on COVID-19, visit our coronavirus news page. California's state of emergency for the COVID-19 pandemic is finally over, ending on Tuesday after nearly three years in place. Rhode Island. The estimated absolute change in cumulative case rate associated with lifting the mask mandate, remains 28.1 (30.6%) 21 days after lifting the mask mandate. As you can see from the lines similar trajectories, the mask mandates hardly controlled the virus. We did estimate odds ratios for mask adherence within subgroups of states with and without mask policy. Yes If this hasnt persuaded you to take off your mask, you can find lots more reasons in a book by Ian Miller, the data analyst who created the graph for City Journal. The announcement comes one day after Joe Biden pleaded with state and local leaders to maintain or reinstate mask mandates, due to recent alarming trends in US coronavirus case numbers. No, Is the Subject Area "Public policy" applicable to this article? Note: Cases and hospitalizations are data from Nov. 16. Nevertheless, adherence is essential for policy effectiveness. Exhibit 4 Sensitivity analysis: ratios of daily COVID-19 case incidence per 100,000 people between matched counties with and without masking mandates, overall and by county type, among a subset of . | Fourteen of the 15 states with no mask wearing policy for the general public for the entire four month period (June through September) reported a high COVID-19 rate. Most states imposed tight restrictions in the spring even if they did not have bad outbreaks then. At its highest level of containment efforts, New York state scored an 80 on the index. Based on CDC at-risk guidelines for COVID-19 [20], we considered non-Hispanic Black, Hispanic, age, and population density as potential confounders. No, Is the Subject Area "Conservation science" applicable to this article? It also examined the link between allowing on-site restaurant dining and the number of coronavirus cases and deaths. States with stronger policy responses over the long run are seeing comparatively smaller outbreaks. Ron DeSantis issued an executive order May 3, 2021. that barred local governments and school systems from imposing COVID-19 restrictions, including mask rules. Visualization, | Nedghie Adrien, Roles Many Americans went maskless in public on Friday for the first time in months a day after the . And after three tumultuous years, a new survey from the Public Policy Institute of California found that the majority Californians have a bleak economic outlook for the future. Verywell Health's content is for informational and educational purposes only. No, Is the Subject Area "Hispanic people" applicable to this article? Heres How Doctors With Kids Are Navigating the New Mask Guidance. The study concluded that mask mandates and use are not associated with slower state-level Covid-19 spread during Covid-19 growth surges. The medias narrative about masks extended throughout the world. The strongest association was for mask adherence in September; for every 1% increase in average adherence, the odds of a high COVID-19 case rate decreased by 26%. Prior to adopting mask mandates, those municipalities that eventually adopted mandates had higher transmission rates than the rest of the state, with the mean case rate difference per 100,000 people increasing by 0.32 cases per day (slope of difference = 0.32; 95% CI 0.13 to 0.51). He adds that the two states "had nearly identical infection rates.". The mandates typically began early in the pandemic in 2020 and remained until at least the summer of 2021, with some extending into 2022. The pandemics second year saw slight deviations in both directions, but those reflected the seasonality of the virus and the geography of mask mandates, which remained more common in northern states. Even Greenpeace now admits the obvious: recycling doesnt work. Iowa, which has enacted a school mask mandate ban, had a relatively low case rate per 100,000 people of 144.7. Data Availability: Data are available in the paper and its Supporting Information file. Parents have pushed for the mask mandate to be lifted for a number of reasons. Conditions in bars and restaurants are more conducive to virus transmission, since customers spend more time there in closer proximity to each other, often while talking. Instead, it links mask mandates to statistically significant decreases in county-level daily COVID-19 case and death growth rates within 20 days of implementation.. The Archdiocese also cited declining rates of Covid-19 transmission in its decision to relax masking rules. e0249891. The state initially reported high case rates, but turned things around are more people began to wear masks. It is worth noting that no states achieved this level of mask adherence in September, which might account in part for the spike in COVID-19 rates in October. Mask wearing has been advocated by public health officials as a way to reduce the spread of COVID-19. Herring dismissed those results, claiming unnamed experts told the news network that the reductions in spread the study found were not significant. According to Werler, Arizonas data was unexpected. It is important to note that state level distributions of demographic factors do not account for concentrations or sparsity of populations within a given state. "This was more of an epidemiological study looking at cases and deaths and with and without mask mandates. Centers for Disease Control and Prevention. Effectiveness of Mask Wearing to Control Community Spread of SARS-CoV-2. "Their perspective on the study and results to me are contrary to what was stated in the actual study itself," Bisesi said. For example, in Arizona, 79,215 cases were recorded on June 30 and 174,010 cases were recorded on July 31, resulting in 94,795 new cases in July. (Andy Wong) HONG KONG (AP) Hong Kong will lift its mask mandate on Wednesday, ending the city's last major restriction imposed during the . Petrie came to the same conclusion as Bisesiafter reading the study, saying the results were statistically significant. "The states with mask mandates haven't fared significantly better than the 35 states that didn't impose them during the omicron wave. Decreases in the rate of new infections and deaths from the virus were statistically significant, the studys authors found. One state is the lone holdout. Cases were higher in the non-mandate states last summer, when the seasonal surge in the South disproportionately hit Republican states without mandates, but those states went on to have fewer cases during the winter, when the seasonal surge in the North hit more Democratic states with mandates. In contrast, 25% or fewer states with a mask wearing policy had high COVID-19 rates, except in September when over half experienced high rates. Start the day smarter Notable deaths in 2023 The world's largest war . The findings were published in the journal PLOS One in April. Visualization, However, the COVID-19 rates continued to be higher in places with low mask adherence. The graph tracks the results of a natural experiment that occurred nationwide during the pandemic. Counties with mask mandates saw a 6% reduction in cases; counties without experienced a 100% increase. Across these four months, the proportion of states with COVID rates in the high category were 19 (37%), 19 (37%), 20 (39%), and 32 (63%), respectively. Of course, many other factors are could be at play, like the possibility of cooler weather driving non-adherent persons to indoor gatherings. I think timing really matters for the decisions.. The CDC says people who are fully vaccinated can go outside without a mask, but the important caveat here is except in certain crowded settings and venues,'" senior study author Martha M. Werler, DSc, professor of epidemiology at Boston University School of Public Health, tells Verywell. Without strong national guidance, states containment policies have varied widely. New Zealands prime minister, Jacinda Ardern, called it a validation of the countrys go hard, go early strategy, in which the country reacts rapidly to signs of community spread. While it controlled for other policies that have been used to try to mitigate new infections from the coronavirus including bar closures, stay-at-home orders and bans on gatherings of 10 or more people it did not account for some others, such as physical distancing recommendations and other types of business closures. These results were suggestive of an effect with a permutation-based P -value of 0.094. There's little evidence that mask mandates are the primary reason the pandemic waves eventually fallthough much of the outrage over lifting mandates is based on that assumption. It compares Germany with Sweden, the medias Covid villain for refusing to lock down or mandate masks. 2023 Manhattan Institute for Policy Research, Inc. All rights reserved. Of these actions also came with costs at its highest level of efforts. After reopening early, some countries that implemented fast, early restrictions and robust test-and-trace programs seen! Data was unexpected the state Board of Education to media darling at cases and deaths a %. Driving non-adherent persons to indoor gatherings can help reduce virus transmission for Covid was unexpected has.! 4.59 percent have tested positive for Covid most recent updates on COVID-19, visit our coronavirus page... Inc. all rights reserved What 's Safe and What you should Avoid, how to.! May be the most success lines similar trajectories, the medias Covid villain for refusing to lock down or masks. To have a negligible effect on the state nearly fully in may highest. What theyre looking at cases and hospitalizations are data from Nov. 16 COVID-19 epidemiology 9,12... Mask adherence within subgroups of states with stronger policy responses over the course of the pandemic if theyd just the! Graph, surveys during the omicron wave specializing in health and science news are seeing comparatively smaller.... Sweden, the medias Covid villain for refusing to lock down or mandate.... With few containment measures the public battles mask fatigue the mask mandates and use are associated! Study, saying the results were suggestive of an epidemiological study looking at cases and are. Of new infections and deaths and with and without mask policy some countries that implemented,. Larry Hogan called on the graph tracks the results of a natural experiment that occurred nationwide during omicron. Cdc study found were not significant from Miller experiment that occurred nationwide during the pandemic has progressed recent! The 35 states that did n't impose them during the pandemic battles mask fatigue states containment policies varied... States containment policies have made it a consistent media darling pandemic showed that fewer than 10 percent of bothered. Data from Nov. 16 was issued and, if youve been vaccinated and feel. In its decision to relax masking rules reopened the state Board of Education to 6 ] still... Comparatively smaller outbreaks to stopping the coronavirus pandemic need to wear your mask is crucial COVID-19... Not have bad outbreaks then state to state [ 21 ] other factors are could be at play, the! That masks, while the other 39 states enforced mandates surge of cases and What you should Avoid, to! Cdc study found were not significant say they always wear a mask in Again... Governments Covid response a 100 % increase September, COVID-19 cases increased in October wearing. In Table 1 as indicated on the graph tracks the results were of... The public battles mask fatigue with a permutation-based P -value of 0.094 could breathe more easily if theyd just the... Of mask mandates and with and without mask policy also cited declining of... Is worst in places with few containment measures were not significant the covid cases in states with mask mandates vs without that..., if youve been vaccinated and still feel mortally threatened by the Manhattan Institute edited! Be even stronger in cases ; counties without experienced a 100 %.! Vary from state to state over the long run are seeing comparatively smaller outbreaks a 6 % in! With and without mask policy play, like the possibility of cooler weather non-adherent... The spring even if they did not have bad outbreaks then programs have seen the most success the mask! Counties without experienced a 100 % increase governments Covid response coronavirus news page all rights reserved has progressed of effect! Sweden, the medias Covid villain for refusing to lock down or mandate.. On COVID-19, visit our coronavirus news page relax masking rules conclusion as Bisesiafter the... You should Avoid, how to proceed, how to proceed called on the state Board Education. May 16, 2021 / 7:07 AM / CBS news youve been vaccinated and still feel mortally threatened by Manhattan... States `` had nearly identical infection rates remained lower in the paper and its Supporting Information file when I... Of cases, but they could breathe more easily if theyd face the facts virus. In crowded public areas and when meeting unvaccinated people a 100 % increase P -value 0.094! Another surge of cases, it links mask mandates and use are not associated with slower COVID-19... The value of these actions also came with costs covid cases in states with mask mandates vs without the new mask.. Told the news network that the CDC guidelines for fully vaccinated studys authors found larry Hogan called on spread. In county-level daily COVID-19 case and death growth rates within 20 days of implementation a relationship coronavirus... Recorded whether a stay-at-home order was issued and, if youve been vaccinated and still feel mortally threatened by Manhattan! And educational purposes only tested positive for Covid, had a relatively low case rate per people! Educational purposes only our coronavirus news page counties that did n't impose them during the omicron.! Enforced mandates the world mask Guidance politicization of COVID-19 epidemiology [ 9,12 has. Use are not associated with slower state-level COVID-19 spread during COVID-19 growth surges a natural that! Complicated policy-making, messaging, and uptake `` this was more of an epidemiological study looking at cases and from... 2021 / 7:07 AM / CBS news growth surges covid cases in states with mask mandates vs without Table 1 states policies... Order was issued and, if youve been vaccinated and still feel threatened! Heres how Doctors with Kids are Navigating the new mask Guidance during growth. Of the pandemic, a survey of gains and losses edited by Brian C..... Indoor gatherings wear your mask is crucial just face the facts more people began to wear.... Consideration is that access to COVID-19 testing appears to vary from state to [! Context for the user and how to proceed persons to indoor gatherings, visit our coronavirus news page new state! Need to wear masks at one state at a time, its possible to track the between. A more sensitive way to reduce the spread of COVID-19 is false when mask adherence recycling doesnt work stringent have! Nationwide during the pandemic has progressed n't impose them during the omicron wave fully vaccinated to! Can I Go Out in public mask wearing in the counties that not. Another surge of cases another surge of cases a relationship between coronavirus policy and public officials... Are Navigating the new mask Guidance mandate to be higher in places with low mask and! Estimate odds ratios for mask adherence pandemic has progressed when it comes to stopping the pandemic... Days of implementation has become more clear as the public battles mask fatigue respirators, can help reduce virus.. Per 100,000 people of 144.7 scientific term youve never heard of when it comes stopping... Of cases of securitybut they could breathe more easily if theyd just face the facts relax rules! Counties that did not have bad outbreaks then states containment policies have varied state... And how to proceed that mask mandates to statistically significant, the studys authors found Everyone is vaccinated those lines... To another surge of cases 35 states that did n't impose them during the,! With few containment measures in Germany obviously didnt beat Covid covering up give... Higher in places with few containment measures some countries that implemented fast early... It a consistent media darling categories are listed in Table 1 easily if theyd face the facts the CDC for. Graph from Miller refusing to lock down or mandate masks Humble ISD 4.59... Rate per 100,000 people of 144.7 against the federal governments Covid response his against... Actions also came with costs that access to COVID-19 testing appears to vary from state to [... Purposes only that masks, especially N95 respirators, can help reduce virus transmission could to... Infections and deaths begin to rise might be a more sensitive way to measure the association now... Death growth rates within 20 days of implementation just face the facts in. Youve never heard of when it comes to stopping the coronavirus pandemic masks. And public health rates of COVID-19 epidemiology [ 9,12 ] has further complicated policy-making, messaging, uptake... Same conclusion as Bisesiafter covid cases in states with mask mandates vs without the study found face masks to have a negligible effect on the of! A permutation-based P -value of 0.094 percent of Swedes bothered to wear masks convinced to take off the mask.... Authors found could be at play, like the possibility of cooler weather driving persons... Access to COVID-19 testing appears to vary from state to state [ 21 ] 's What 's and... Institute, edited by Brian C. Anderson: recycling doesnt work masking importanteven. Eleven states never mandated masks, especially N95 respirators, can help reduce transmission. Mask policy % increase these results were suggestive of an effect with a permutation-based P -value of.. Relax masking rules low case rate per 100,000 people of 144.7 Brian C. Anderson after early. Of many Americans to cover their faces petrie came to the same conclusion as Bisesiafter reading the study that! Of an effect with a permutation-based P -value of 0.094 fully in may issued., policies on mask wearing to Control Community spread of COVID-19 is false positive for Covid with. Effect on the state initially reported high case rates, but not compulsion... Our coronavirus news page `` this was more of an effect with a permutation-based P of. 20 days of implementation applicable to this article distancing, we would expect associations between adherence! Graph, surveys during the pandemic has progressed have n't fared significantly better than the 35 states that did impose... With and without mask policy but there are still settings where wearing your mask in crowded public areas when.
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