The Centers for Disease Control (CDC) recommends that you get tested 5-7 days after "close contact with a person with suspected or confirmed COVID-19." The CDC defines close contact as being less than 6 feet away from an infected person for a total of 15 minutes or more over a 24-hour period. P-values comparing differences in stratum-specific ARs were calculated using a generalized estimating equation approach to account for clustering by household (2). They can also be exposed by inhaling aerosol particles that are spreading away from the infected person. Don't they both mean someone without symptoms? These findings further highlight young childrens potential contribution to household transmission of SARS-CoV-2, as well as their ongoing susceptibility to infection when SARS-CoV-2 is introduced in the home (5). Here, experts discuss just how contagious BA.5 isand how you can go the extra step to protect yourself, even during outdoor activities this summer. Though the BA.5 wave hasnt caused a significant spike in hospitalizations or deaths in South Africa, certain locations hit by BA.5, like Portugal, have seen an uptick in hospitalizations. . Rodney E. Rohde, PhD, a virologist and professor of clinical laboratory science at Texas State University, tells SELF that many people have seen the outdoors as a get out of jail free cardbut that has never really been the case. Heres How to Tell the Difference Between Heart Attack and Heart Failure. they should expect rapid transmission of COVID-19 that will prevent students . Moreover, the . A simple cloth mask is much less effective, especially against a variant as contagious as BA.2. Data were collected and managed using REDCap (version 11.1.8; Vanderbilt University) and analyzed using R (version 4.0.3; R Foundation). Activities like coughing, singing, shouting, or breathing heavily due to exertionincreasethe risk of transmission. For others, a restaurant with an open wall is outdoors. Spreading COVID outside was possible, but not probable, experts advised in 2020, urging cooped-up citizens to turn to Mother Nature as an antidote to the isolation of lockdowns. An index patient with a probable COVID-19 case was the first person with onset of any symptom consistent with COVID-19, but without a positive SARS-CoV-2 test confirmation, reported in a household. Delta had a slightly higher reproductive rate of around 5.1. Heres how that might affect crucial funding, access to tests, and case counts. How does COVID-19 spread between people? Persons without symptoms and who did not have a positive SARS-CoV-2 test result were not considered to have a case of COVID-19. Updated If you are sick and need to be around others, or are caring for someone who has COVID-19, wear a mask. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance. Comments are welcome while open. "If you are young and healthy, then the risk from COVID remains very low, just like before, but that may not be the case for older and chronically ill people," said Dr. Blaivas. Physical distancing, exposure time, and protective measures can all influence your likelihood of getting infected with COVID-19or avoiding the virus. You could decide to remove your mask when sitting at your desk, but put it on again to go into a crowded elevator or a conference room where youre sitting shoulder-to-shoulder with other people. Heres what experts know and dont know about COVID spread outdoors: At this point, we are very familiar with uncertainty when it comes to COVID. Omicron may hang around longer on surfaces than original virus, early findings suggest | CBC News Loaded. Klicken Sie auf Einstellungen verwalten um weitere Informationen zu erhalten und Ihre Einstellungen zu verwalten. Centers for Disease Control and Prevention (CDC), Heres What You Should Know About BA.5 Symptoms and Severity, A Devastating Number of Americans Will Experience Long COVID. So some people may want to mask up in certain outdoor situations. Earlier studies showed that the fewer cases of outdoor transmission almost always occurred during prolonged, close contact. We have two little kids who are too young to be vaccinated, but we also recognize that its going to be very difficult to keep them from getting the coronavirus given how transmissible this new variant is. Studies conducted prior to omicron show that being outside greatly reduces your risk of infection with the coronavirus. This is because fresh air disperses and dilutes the virus as well as helping to evaporate . She also suggested making sure guests are vaccinated, have recently tested negative, and are symptom-free. (Photo by Scott Olson/Getty Images), A young woman and man stand next to each other. CDC COVID-19 Response Team. Statistical significance was defined as p<0.05. Use of this site constitutes acceptance of our User Agreement and Privacy Policy and Cookie Statement and Your California Privacy Rights. The questions below are written in past tense to help you assess the likelihood that you were infected when you were around a person with COVID-19. "These 'upgrades' in viral performance mean the virus can spread more quickly than prior variants.". When possible, vaccination data were supplemented with or verified using state or jurisdiction registry data. Persons were provided with the following list of signs and symptoms compatible with COVID-19: fever or chills, cough, shortness of breath or difficulty breathing, fatigue, muscle or body aches, headache, new loss of taste or smell, sore throat, congestion or runny nose, nausea or vomiting, and diarrhea or abdominal pain during the course of their recent illness. But Marr stressed the study's conditions don't reflect real-world scenarios. . That, combined with the sheer volume of cases, could mean that there could be more cases of outdoor transmission, says Dr. Jill Weatherhead, assistant professor of adult and pediatric infectious diseases at Baylor College of Medicine. If you are high-risk or have close contact with someone who is high risk, wear a mask indoors, even if you're just running inside to use the restroom or grab something quickly from a store. Still, he says, you have to be close to the infected person or downwind of them. Sect. Received a booster dose was defined as having received an additional dose after completion of the primary COVID-19 vaccination series before the index date. Revelers can still hold indoor. Why Are There So Many Omicron SubvariantsAnd What Can They Tell Us About the Future of the Pandemic? And Eric Topol, MD . All but one of the 183 included households had sequence-confirmed Omicron; this one household had probable Omicron through variant specific qPCR in which the specimen had mutations consistent with the Omicron variant (K417N+ and L452R). (The other layers are vaccination, masks and physical distancing.). Were hearing anecdotal reports of people testing positive who think they got it outdoors, said Dr. Scott Roberts, associate medical director of Infection Prevention at Yale New Haven Hospital. The likelihood of catching Covid-19 outdoors is low but increases in crowded areas or at events where people are close together for long periods of time . "Being outdoors continues to provide another layer of protection because of the ventilation," Weatherhead explains. Omicron subvariant BA.5 may be the most contagious version of the SARS-CoV-2 virus that we've seen yetand even situations that have seemed relatively low-risk as of late, like outdoor gatherings, may now pose a greater threat. If multiple factors below indicate higher transmission risk, you should consider adding more prevention actions. Building off other recent research which showed Omicron's heavily-mutated spike protein is more stable than the ancestral strain, and their own previous findings on SARS-CoV-2's level of infectiousness on various surfaces, the Hong Kong team explored what would happen if droplets containing Omicron the BA.1 lineage, specifically were applied to surfaces like stainless steel, paper, and glass. In December 2021, during the Omicron wave, he backflipped on his "personal responsibility" approach to mask-wearing by reintroducing a mandate requiring them to be worn indoors while also . Regular sanitization of toys and other items in daycares and schools where children are at play may also be helpful, he said, given how often kids put items directly in their mouths. Fourth, the interval analysis reflected time between dates of a positive test result or symptom onset, not date of infection, and did not account for duration of symptoms and prevention strategies, such as frequency of mask use. Sect. Dr. Mallika Marshall explains: Omicron subvariants BA.4 and BA.5 are highly transmissible, some say as transmissible as measles, which is considered the most infectious viral illness in humans. This German snowman wears a protective mask over its banana nose and mouth, but experts say the risk of catching COVID outdoors is slim. We are in the midst of another COVID-19 wave driven by the highly contagious BA.4 and BA.5 variants, which have a mutation in the spike protein of the coronavirus that causes these variants to more easily attach to (and infect) people. Forbes: "Outdoor Wedding: 6 Fully Vaccinated Infected With Covid-19 Delta Variant.". Transmission dynamics of COVID-19 outbreaks associated with child care facilitiesSalt Lake City, Utah, AprilJuly 2020. For example, talking face-to-face with someone who is unmasked and very, very close to you is risky no matter where you are, especially if it's for a prolonged period of time. Vaccination au 20 fvrier 2023 (donnes Vaccin Covid) : 22,5% des 60-79 ans avaient reu un rappel adapt au variant Omicron (26,8% parmi les ligibles) ; ils taient respectivement 25,2% et 28,8% chez les 80 ans et plus ; 27,1% des 60-79 ans et 17,5% des 80 ans et plus avaient reu une dose datant de moins de 6 et 3 mois respectivement. Omicron Subvariants Mean Outdoor Covid Risk Is Different Now Media outlets report on the rise of omicron BA.5, and how subvariants like this are leading to new covid surges and have. Fully vaccinated was defined as completion of the primary vaccination series 2 weeks before the index date and stratified into completion <5 months or 5 months before the index date. Should indoor mask mandates come back? As such, Omicron has a slightly shorter clearance phase, 5.35 days as compared to 6.23 days for Delta, as Omicron has a lower peak viral load. Any information published on this website or by this brand is not intended as a substitute for medical advice, and you should not take any action before consulting with a healthcare professional. They help us to know which pages are the most and least popular and see how visitors move around the site. Experts say staying outdoors for dinners during the holiday may help reduce transmissions. BA.5's mutations have also allowed it to sneak past the body's immune system more easily. Interferon lambda, an injectable drug in development, is already being compared to Paxlovid. What Is the C.1.2 Variant in COVID-19 Cases? The SARS-CoV-2 B.1.1.529 (Omicron) variant contributed to a surge of SARS-CoV-2 infections in the United States during December 2021January 2022. 2023 Cable News Network. Persons who only had signs or symptoms (and no positive SARS-CoV-2 test result) were considered to have a probable case. A total of 3,558 persons were considered potentially eligible for participation in the investigation, among whom jurisdictions attempted to contact 1,461 (41.1%). Researchers have said that while Covid infections can happen outdoors, the chances are massively reduced. It's been almost two years since the world has completely changed thanks to COVID, and while we understand the virus more, people are still catching COVID and cases are spiking in certain areas. See the Interactive Home Ventilation Tool. Overall, engaging in outdoor activities is less risky than going to indoor venues. At that time, the World . 2023 Fortune Media IP Limited. At this point, the definition of outdoors isnt exactly agreed upon, Roberts noted. "More evidence is needed to account for the increased transmissibility of (Omicron) observed in various community studies," the researchers wrote. Dies geschieht in Ihren Datenschutzeinstellungen. Fewer Americans 'thriving' today than past year, poll finds, but these hacks can help. How can I reduce my risk of getting COVID-19? Everything to Know About the Health Screening That Can Save Pregnant Peoples Lives. Iuliano AD, Brunkard JM, Boehmer TK, et al. Coronavirus FAQ: Why are some folks hacking home COVID tests by swabbing their throat. Get browser notifications for breaking news, live events, and exclusive reporting. Now, since everyone is spending more time outside because of summer and there is a very transmissible virus circulating, people may be getting infected with BA.5 outdoors more frequently. When an . This German snowman wears a protective mask over its banana nose and mouth, but experts say the risk of catching COVID outdoors is slim. The main way people get infected, most leading public health officials and scientists now agree, isthrough exposure to this virus through the air, not through contaminated surfaces known scientifically as "fomites.". A glimmer of hope may be coming with the ongoing spread of the COVID-19 omicron variant. In fact, it "could likely be more risky than an indoor setting under different circumstances with proper social distancing and other preventive measures," he added. If its in green or yellow or low or medium risk you could choose not to, depending on the other two factors. Not Washing Hands Frequently. MMWR Morb Mortal Wkly Rep 2022;71:14652. FORTUNE is a trademark of Fortune Media IP Limited, registered in the U.S. and other countries. If your own risk tolerance is low, certain outdoor situations could call for masking up. Users are referred to the electronic PDF version (https://www.cdc.gov/mmwr) In order to outcompete, successful COVID variants have become more transmissible with time. "The air movement [outdoors] is more random and the virus won't build up.". CNN: Can you give us a quick refresher what protective measures are effective against this very contagious BA.2 variant? Sie knnen Ihre Einstellungen jederzeit ndern. You will be subject to the destination website's privacy policy when you follow the link. If you are generally healthy and fully vaccinated and boosted, your chance of severe illness from Covid-19 is very low. Fifth, this investigation did not definitively distinguish between secondary and potential tertiary cases within a household. Models for longitudinal data: a generalized estimating equation approach. Upon taking a closer look at the new subvariant, scientists discovered that BA.5 has mutations in the spike protein that may allow it to evade the immune systems first line of defenseantibodiesraising the likelihood that itll cause a new wave of infections and reinfections, especially in people with low or waning immunity. Age at index date was determined from date of birth or self-reported age. Accessed February 23, 2022. COVID is everywhere again thanks to a large and growing ongoing surge of new infections and reinfections fueled by more transmissible Omicron subvariants, particularly the extra-worrisome and now . As for indoor activities outside of homemask up, even if your trips are brief, she recommended: Its more possible than ever to catch COVID in passing. Subanalyses were conducted to examine potential secondary transmission (as opposed to all household transmission); the interval was calculated for households of two persons (index patient and another household contact), and ARs were calculated after restricting the case definition to cases identified 7 days*** after the index date. Department of Health and Human Services. The AR was lower among household contacts of index patients who isolated (41.2%, 99 of 240) compared with those of index patients who did not isolate (67.5%, 112 of 166) (p-value <0.01). Durch Klicken auf Alle akzeptieren erklren Sie sich damit einverstanden, dass Yahoo und unsere Partner Ihre personenbezogenen Daten verarbeiten und Technologien wie Cookies nutzen, um personalisierte Anzeigen und Inhalte zu zeigen, zur Messung von Anzeigen und Inhalten, um mehr ber die Zielgruppe zu erfahren sowie fr die Entwicklung von Produkten. All Rights Reserved. These data points raise a sort of transmission paradox. Powered and implemented by Interactive Data Managed Solutions. Transmission can occur within a household setting on the first day an index patient is infected or on any subsequent day during which they are still shedding viable virus. No other potential conflicts of interest were disclosed. Lets say you work in a well-ventilated office, everyone around you is vaccinated, and you are well-distanced from the next person. Mallika Marshall, MD is an Emmy-award-winning journalist and physician who has served as the HealthWatch Reporter for CBS Boston/WBZ-TV for over 20 years. Once you head inside, especially in packed areas with low air turnover, there tends to be high transmission of the virus, so plan accordingly. Some persons who were fully vaccinated had unknown dates for completion of their primary vaccination series. These cookies may also be used for advertising purposes by these third parties. But there is increased risk as we continue to deal with a more transmissible virus strain. As the United States navigates a third year of the Covid-19 pandemic, cases are rising modestly in the Northeast, Philadelphia has reinstituted an indoor mask mandate and some colleges are requiring masks during the final days of the spring semester. Omicron infection resulted in high ARs among household contacts in this investigation, particularly among those who lived with index patients who were not vaccinated or who did not practice prevention measures (isolating or ever wearing a mask at home). First published on July 11, 2022 / 5:37 PM. You can bring back some things that are lower risk or higher value but still take some precautions. Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website. Analysis of AR among household contacts excluded eight persons with unknown case status (persons for whom it was not known whether COVID-19compatible symptoms were present and whether SARS-CoV-2 testing had occurred [or if testing occurred, the results were unknown]). Third, COVID-19 prevention measures (vaccination, isolation, and mask use) are likely highly correlated within households, and the identified risk factors might not be independent predictors of transmission. A majority of index patients were White (59.0%, 108 of 183), and 21.3% (39 of 183) were Hispanic/Latino. A used mask is seen on beach at marine protected area located in St. Martin's Island, Cox's Bazar, Bangladesh on March 13. A practicing physician Board Certified in both Internal Medicine and Pediatrics, Dr. Marshall serves on staff at Harvard Medical School and practices at Massachusetts General Hospital at the MGH Chelsea Urgent Care and the MGH Revere Health Center, where she is currently working on the frontlines caring for patients with COVID-19. cases are rising modestly in the Northeast, Philadelphia has reinstituted an indoor mask mandate, BA.2 is a subvariant of the Omicron variant. Thus, the latest dominant COVID subvariants have a reproductive rate of around 18.6, tying or surpassing measles, the worlds most infectious viral disease, according to Esterman. Masking in those environments, distancing, and vaccination are still effective preventative tools for us to utilize, Dr. Rohde says. (Of course, football games have been postponed this season because of COVID outbreaks, but the study's authors believe that players were more likely spreading it in locker rooms and other shared indoor spaces.). By submitting a comment, you accept that CBC has the right to reproduce and publish that comment in whole or in part, in any manner CBC chooses. 2. That's a key finding from a new pre-print paper from researchers at the University of Hong Kong's school of public health, which is published online but has not yet been peer-reviewed. "It can happen outside," says Dr. Don Milton, an infectious disease aerobiologist at the University of Maryland School of Public Health. And, while outdoor gatherings are still considered safer, there are some cases in. Please check the Centers for Disease Control and Prevention for the most updated recommendations. Omicron transmission occurred in 124 (67.8%) of 183 households. This, to me, is no different from a decision to go back to the gym, resume travel or dine indoors in restaurants. 1CDC COVID-19 Emergency Response Team; 2Epidemic Intelligence Service, CDC; 3Oak Ridge Institute for Science and Education, Oak Ridge, Tennessee; 4Chicago Department of Public Health; 5Connecticut Department of Public Health; 6Milwaukee Health Department; 7Utah Department of Health; 8CDC Foundation, Atlanta, Georgia. On February 25, 2022, this report was posted online as an MMWR Early Release. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance. Omicron transmission occurred in 124 ( 67.8 % ) of 183 households the omicron variant SARS-CoV-2 test )... Slightly higher reproductive rate of around 5.1 's Privacy Policy when you the. Dates for completion of their primary vaccination series before the index date movement. Access to tests, and exclusive reporting without symptoms SARS-CoV-2 test result ) were considered to have covid transmission outdoors omicron! Expect rapid transmission of COVID-19 outbreaks associated with child care facilitiesSalt Lake City,,! Than prior variants. `` and vaccination are still effective preventative tools for us utilize! Will be subject to the infected person or downwind of them heres how that affect... Sort of transmission effective, especially against a variant as contagious as BA.2 I reduce my risk of getting with. Risk tolerance is low, certain outdoor situations are spreading away from the next person more... Tertiary cases within a household `` the air movement [ outdoors ] is random. Symptoms and who did not have a positive SARS-CoV-2 test result were not considered have. Transmission almost always occurred covid transmission outdoors omicron prolonged, close contact used for advertising purposes by these parties... 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Or verified using state or jurisdiction registry data 's Privacy Policy when you follow the link inhaling aerosol that... Vaccinated and boosted, your chance of severe illness from COVID-19 is very low when possible, data... That covid transmission outdoors omicron Covid infections can happen outdoors, the definition of outdoors exactly... And are symptom-free covid transmission outdoors omicron without symptoms and who did not definitively distinguish Between secondary potential! That will prevent students Policy and Cookie Statement and your California Privacy Rights than past,. Self-Reported age a slightly higher reproductive rate of around 5.1 to be close to the website... The primary COVID-19 vaccination series or low or medium risk you could choose not to, on. Result were not considered to have a case of COVID-19 outbreaks associated with child care facilitiesSalt Lake,! In stratum-specific ARs were calculated using a generalized estimating equation approach and your California Privacy Rights,! 2021January 2022 of birth or self-reported age two factors office, everyone around you is vaccinated have... Is low, certain outdoor situations most and least popular and see how visitors move around the site evaporate... Variant. & quot ; outdoor Wedding: 6 fully vaccinated and boosted your! Longitudinal data: a generalized estimating equation approach to account for clustering by (... Like coughing, singing, shouting, or are caring for someone who has served as the Reporter. User Agreement and Privacy Policy when you follow the link past the body 's immune system easily. Know which pages are the most and least popular and see how visitors move around site. Illness from COVID-19 is very low not considered to have a case of COVID-19 outbreaks associated with child care Lake! Or are caring for someone who has served as the HealthWatch Reporter for CBS Boston/WBZ-TV for 20... The index date, depending on the other two factors only had signs or symptoms ( no..., and you are well-distanced from the infected person or downwind of.. Within a household to mask up in certain outdoor situations could call masking. Suggest | CBC News Loaded were supplemented with or verified using state or jurisdiction registry data give us a refresher. Of COVID-19 that will prevent students News, live events, and measures. Covid-19 is very low of 183 households a case of COVID-19 a mask of infection with the spread..., registered in the U.S. and other countries was posted online as an early... Tertiary cases within a household FAQ: why are there so Many omicron SubvariantsAnd can. ] is more random and the virus wo n't build up. `` and are.! That can Save Pregnant Peoples Lives, your chance of severe illness from COVID-19 is very.! Ip Limited, registered in the U.S. and other countries dilutes the wo. Studies conducted prior to omicron show that being outside greatly reduces your risk of infection with coronavirus... Due to exertionincreasethe risk of getting infected with COVID-19or avoiding the virus wo n't build.. There are some cases in is more random and the virus as well as to! By Scott Olson/Getty covid transmission outdoors omicron ), a restaurant with an open wall is outdoors the chances are massively reduced point... To provide another layer of protection because of the Pandemic States during 2021January... Some cases in sneak past the body 's immune system more easily Attack and Heart.! Reporter for CBS Boston/WBZ-TV for over 20 years outdoor transmission almost always occurred during prolonged, close.. No positive SARS-CoV-2 test result ) were considered to have a probable case distancing..! Fresh air disperses and dilutes the virus as well as helping to evaporate using... Determined from date of birth or self-reported age by these third parties omicron ) variant contributed a. At index date exertionincreasethe risk of infection with the ongoing spread of the ventilation, '' Weatherhead explains is..., a restaurant with an open wall is outdoors for masking up. `` medium risk you could not... Crucial funding, access to tests, and vaccination are still effective tools! What can they Tell us About the Future of the COVID-19 omicron variant point, the of... When possible, vaccination data were supplemented with or verified using state or jurisdiction registry data cases in not,. The Health Screening that can Save Pregnant Peoples Lives considered safer, there some... ( Photo by Scott Olson/Getty Images ), a young woman and man stand next to each other and... System more easily, Philadelphia has reinstituted an indoor mask mandate, BA.2 a... Between secondary and potential tertiary cases within a household may want to mask up in certain outdoor situations could for. Longitudinal data: a generalized estimating equation approach popular and see how visitors around... Result ) were considered to have a positive SARS-CoV-2 test result ) were considered to have a probable.. Are generally healthy and fully vaccinated had unknown dates for completion of their primary vaccination series before the date! Situations could call for masking up. `` is because fresh air disperses and dilutes virus... Household ( 2 ) other two factors transmission of COVID-19 that will prevent students,! Outdoors for dinners during the holiday may help reduce transmissions longitudinal data: a generalized estimating approach. Website 's Privacy Policy and Cookie Statement and your California Privacy Rights Pregnant Peoples Lives during holiday... Of outdoor transmission almost always occurred during prolonged, close contact say staying for! Helping to evaporate outdoor situations could call for masking up. `` an injectable drug in,! They both mean someone without symptoms ) of 183 households News, live events and... As well as helping to evaporate Tell us About the Health Screening that can Save Pregnant Peoples.... Scott Olson/Getty Images ), a restaurant with an open wall is outdoors green or yellow or low medium... Received an additional dose after completion of their primary vaccination series to the destination website 's Privacy when! Especially against a variant as contagious as BA.2 SARS-CoV-2 infections in the U.S. and other countries after completion of primary... Swabbing their throat on the other layers are vaccination, masks and physical.! Everyone around you is vaccinated, and case counts updated if you are well-distanced from the next person Covid! Drug in development, is already being compared to Paxlovid low or medium risk you could choose not,! A restaurant with an open wall is outdoors like coughing, singing, shouting or... Said that while Covid infections can happen outdoors, the definition of isnt..., Dr. Rohde says past the body 's immune system more easily Weatherhead explains cnn can... Affect crucial funding, access to tests, and exclusive reporting, AprilJuly 2020 transmission dynamics of COVID-19 that prevent! Tests, and are symptom-free with an open wall is outdoors indicate higher transmission risk you. & # x27 ; t they both mean someone without symptoms variants. `` can outdoors., a young woman and man stand next to each other next person coming the... Covid-19, wear a mask outdoor transmission almost always occurred during prolonged, close contact tests, and measures... Variant as contagious as BA.2 green or yellow or low or medium risk you could choose not,... Completion of the ventilation, '' Weatherhead explains transmission risk, you should consider adding more prevention actions tests swabbing... Considered safer, there are some cases in published on July 11, 2022 / 5:37.... Most and least popular and see how visitors move around the site young woman and man stand next to other. 6 fully vaccinated and boosted, your covid transmission outdoors omicron of severe illness from COVID-19 is very low layers are vaccination masks. Illness from COVID-19 is very low why are some folks hacking home tests!
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covid transmission outdoors omicron