The new year arrived with an omicron-fueled surge in COVID cases in Alameda County, causing widespread concern and resulting in a number of event cancellations and temporary business closures that recall the pandemic's earlier days.. "That gentle breeze outdoors is generally safer" than indoors, he says. Sect. Omicron BA.5 May Increase the Risk of Outdoor TransmissionHere's How to Stay Safe Although being outdoors is overall the safer option, when a virus is more contagious, it's more contagious. Get browser notifications for breaking news, live events, and exclusive reporting. CNN is only US outlet living through Shanghai lockdown. Experts believe the virus that causes COVID-19 spreads mainly from person to person. Discover new workout ideas, healthy-eating recipes, makeup looks, skin-care advice, the best beauty products and tips, trends, and more from SELF. MMWR Morb Mortal Wkly Rep 2022;71:341346. Fewer Americans 'thriving' today than past year, poll finds, but these hacks can help. Zeger SL, Liang KY, Albert PS. Viral particles disperse more quickly outside, thanks to wind speed and air currents. People walk through the Whitney Biennial show at the Whitney Museum of Art on April 06, 2022 in New York City. But that doesn't mean that being outdoors isn't going to. Moreover, the . Comments on this story are moderated according to our Submission Guidelines. Dr. Beaulieu explains, "Omicron can also spread by shaking an infected person's hands and by touching your nose, mouth or eyes with unwashed hands. More information is available, Recommendations for Fully Vaccinated People, https://journals.plos.org/plosmedicine/article?id=10.1371/journal.pmed.1003987, National Center for Immunization and Respiratory Diseases (NCIRD), International Travel to and from the United States, Requirement for Proof of COVID-19 Vaccination for Air Passengers, Requirement for Proof of Negative COVID-19 Test or Documentation of Recovery from COVID-19 for Air Passengers Traveling to the United States from China, Hong Kong, or Macau, U.S. Department of Health & Human Services. You can review and change the way we collect information below. The key is really just ensuring that theres adequate distancing, particularly if youre in a situation where someone sneezes or coughs within a few feet of you, Roberts emphasized. If the minimum distance is maintained, the probability of transmission outdoors is . If a community level is high, you may want to reschedule your trip or be extra cautious. Cookies used to enable you to share pages and content that you find interesting on CDC.gov through third party social networking and other websites. Its a nasty stomach bugand cases have been rising since August. Biometrics 1988;44:104960. The virus can also be carried on microscopic aerosols that are expelled by breathing. **** A negative SARS-CoV-2 test result was reported on the day of or after symptom onset by 38.8% (19 of 49) of household contacts classified as having probable COVID-19 and 68.6% (140 of 204) of those classified as not having COVID-19. How should people weigh which precautions they want to follow? Experts say staying outdoors for dinners during the holiday may help reduce transmissions. Thank you for taking the time to confirm your preferences. 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]). Please note that CBC does not endorse the opinions expressed in comments. 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. 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 . On several types of paper, infectious amounts of ancestral SARS-CoV-2 were only recoverable for five to 15 minutes compared to more than 30 minutes for Omicron. Studies conducted prior to omicron show that being outside greatly reduces your risk of infection with the coronavirus. The AR was lower among household contacts of index patients who reported ever wearing a mask at home during their potentially infectious period (39.5%, 88 of 223) compared with household contacts of index patients who reported never wearing a mask at home during this period (68.9%, 124 of 180, p-value<0.01). This is because fresh air disperses and dilutes the virus as well as helping to evaporate . What . The omicron sub-lineages are so new that infectious disease experts are still measuring their potential impact, even in outdoor settings. What Is the C.1.2 Variant in COVID-19 Cases? * Analysis of attack rates among HCs excluded persons with unknown case status or unknown categorization within a given stratum. 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. * Persons self-reported their race (White, Black, Asian, American Indian or Alaska Native, or Native Hawaiian or other Pacific Islander), ethnicity (Hispanic/Latino or non-Hispanic/Latino), and gender (male or female) from lists of options and had the opportunity to state another option if their race, ethnicity, or gender was not listed. (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.). CDC is not responsible for Section 508 compliance (accessibility) on other federal or private website. Depending on the outdoor situation youre in, it changes the ventilation dynamics of that area and can alter the risk of COVID for people in that [space], Roberts said, adding that hed feel pretty comfortable in a socially distant, outdoor setting with nothing covering the space (like tents, tarps, overhangs, and enclosures) even with the BA.5 variant. 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. In other words, 10 people crowded at an al fresco table doesnt equal safety just because there are only a handful of people around. Age at index date was determined from date of birth or self-reported age. However, early evidence suggests that the vast majority of people with some immunity, either from prior COVID infection or vaccination, will continue to be protected from severe illness, according to preliminary research. 95% CIs for attack rates are represented by error bars. part 46.102(l)(2), 21 C.F.R. For example, if you work in an office that has pretty good ventilation and is well-spaced, and requires proof of vaccination, you may consider not masking in that setting. Regular testing after potential exposure and remaining up to date on vaccines and boosters are also necessary steps, regardless of whether you're indoors or outdoors. And the omicron variant acquires a more effective coating than the delta variant, meaning it could stay infectious outside the body for longer. How does COVID-19 spread between people? And should we skip large indoor events again? "The air movement [outdoors] is more random and the virus won't build up.". A preprint study from Qatar also suggests that natural infection remains up to roughly 97% protective against severe disease caused by the subvariants. All rights reserved. Dr. Gerald Evans, chair of the division of infectious diseases at Queen's University in Kingston, Ont., agreed that alongside other personal protections like mask-wearing and vaccinations, basic hand hygiene remains a smart way to ward off this virus. Klicken Sie auf Einstellungen verwalten um weitere Informationen zu erhalten und Ihre Einstellungen zu verwalten. In this investigation, a confirmed case in a household contact was defined as having received a positive SARS-CoV-2 nucleic acid amplification test result or antigen test result 14 days after the index date (date of the index patients symptom onset or positive SARS-CoV-2 nucleic acid amplification test result or antigen test result), and a probable case in a household contact was defined as the presence of COVID-19compatible symptoms during the same 14-day period but without a positive SARS-CoV-2 test confirmation. Cookies used to enable you to share pages and content that you find interesting on CDC.gov through third party social networking and other websites. These cookies may also be used for advertising purposes by these third parties. When an . Because SARS-CoV-2 testing was not available for all household contacts, ability to detect asymptomatic infections was limited. 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. In addition, surfaces may play a greater role in Omicron transmission. If you are sick and need to be around others, or are caring for someone who has COVID-19, wear a mask. Comments are welcome while open. But BA.5s heightened transmissibility will ultimately lead to more indoor and outdoor spread. Experts warn omicron variants can spread more easily outdoors; prior infections provide less immunit. On February 25, 2022, this report was posted online as an MMWR Early Release. 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. Like previous variants, its spread through direct contact and is airborne. According to an Epidemiological Update from the European Centre for Disease Prevention and Control (ECDC), "the current growth advantage for the BA.4 and BA.5 variants of concerncompared to the dominant variant BA.2 is probably due to their ability to evade immune protection against infection induced by prior infection and/or vaccination, particularly if this has waned over time." All rights reserved. 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. At that time, the World . Saving Lives, Protecting People, Given new evidence on the B.1.617.2 (Delta) variant, CDC has updated the, The White House announced that vaccines will be required for international travelers coming into the United States, with an effective date of November 8, 2021. Experts say its a step toward reducing the abysmal maternal mortality rate in the US. Omicron contains troubling characteristics that might make it more transmissible particularly among people who have already gotten and recovered from Covid, according to the WHO. The other/multiple races category included American Indian or Alaskan Native, Native Hawaiian or other Pacific Islander, another race specified by the person not in the provided list, or multiple races. 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. Third, how important is it to you to continue to avoid Covid-19? Dr. Dumois: The Omicron variant is far more contagious than anything we ve seen with this coronavirus, so this is very much a different virus than any of the variants we have seen before. Thanks to a unique cluster of mutations on the spike protein, the part of the virus that latches to our cells, BA.5 is believed to be the most contagious strain of SARS-CoV-2, the virus that causes COVID-19, so far. Early contact tracing studies detected far more indoor transmission of the coronavirus than outdoor. BOSTON -- As Omicron cases are sweeping the nation, some experts are warning that being outdoors may not provide as much protection as before. A new study out of Hong Kong suggests Omicron might be surviving longer on everyday objects than its early predecessor raising questions about which basic precautions to prevent surface-based transmission might still be warranted. A used mask is seen on beach at marine protected area located in St. Martin's Island, Cox's Bazar, Bangladesh on March 13. The estimated overall AR in this investigation is consistent with the range of ARs observed in other Omicron transmission studies (3), and higher than those associated with some other SARS-CoV-2 variants. These findings underscore the importance of implementation of multicomponent prevention measures for reducing SARS-CoV-2 transmission in household settings, including from the Omicron variant (4). Paxlovid Is Super Promising. While outdoor events are safer than indoor events, theyre not 100% safe, Majumder told the news outlet. They help us to know which pages are the most and least popular and see how visitors move around the site. The second thing to think about is, what is your medical situation and the circumstances of others in your household? Ahead, experts explain what you need to know about this subvariant, outdoor transmission, and staying safe as you enjoy your summer. Patel stressed that if youre going to crowded outdoor events like weddings, sports games and entertainment events, you should follow health precautions while we wait on data about the current subvariants spread outdoors. 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. Dies geschieht in Ihren Datenschutzeinstellungen. A new study out of Hong Kong suggests Omicron might be surviving longer on everyday objects than its early predecessor raising questions about which basic precautions to prevent surface-based. On smooth surfaces, Omicron lasted more than a week, while infectious amounts of the original virus were recovered up to just four days on polypropylene plastic and stainless and up to seven days on glass. FDA Grants Emergency Use Authorization for Novavax's COVID-19 Vaccine. Cookies used to track the effectiveness of CDC public health campaigns through clickthrough data. But that shouldn't cause you to lose sight of the advantages of socializing outdoors, she adds. At this point, the definition of outdoors isnt exactly agreed upon, Roberts noted. How can I reduce my risk of getting COVID-19? In order to outcompete, successful COVID variants have become more transmissible with time. 2023 Cond Nast. Yes, you can get BA.5 outdoors, but you could also contract other COVID variants outside, says Thomas Russo, M.D., professor and chief of infectious disease at the University at Buffalo in New. New research is pointing to the answer, 2 years into the pandemic, burning questions remain about COVID-19 and how we fight it, scientific consensus began to crystallize, CBC's Journalistic Standards and Practices. When search suggestions are available use up and down arrows to review and enter to select. "From a virus standpoint, there's no indication that omicron is behaving differently [in outdoor settings]," says Dr. Preeti Malani, an infectious disease professor at the University of Michigan who co-authored an editorial on the research on football teams. 552a; 44 U.S.C. Contact her at: lauren.pelley@cbc.ca. But if you're not able to keep. Add some good to your morning and evening. Julia M. Baker, PhD1,2,*; Jasmine Y. Nakayama, PhD1,2,*; Michelle OHegarty, PhD1; Andrea McGowan, MPH1,3; Richard A. Teran, PhD2,4; Stephen M. Bart, PhD2,5; Katie Mosack, PhD6; Nicole Roberts, MPHTM7; Brooke Campos7; Alina Paegle7; John McGee7; Robert Herrera7; Kayla English, MPH4; Carla Barrios4,8; Alexandria Davis, MD4; Christine Roloff, MS4; Lynn E. Sosa, MD5; Jessica Brockmeyer, MPH5; Lindsey Page, MPH6; Amy Bauer6; Joshua J. Weiner, MS6; Manjeet Khubbar, MSc6; Sanjib Bhattacharyya, PhD6; Hannah L. Kirking, MD1; Jacqueline E. Tate, PhD1 (View author affiliations). Ive talked before about how the new guidelines from the US Centers for Disease Control and Prevention can be used here. . Research before the emergence of the delta variant indicated that the risk of getting infected with the coronavirus was up to 20 times lower outside compared to inside and the chance of. This was true for the other variants too, Linsey Marr, PhD, a professor of civil and environmental engineering at Virginia Tech who studies viral transmission, tells SELF. Masks work very well, though here I would urge that people wear an N95 or equivalent mask, such as a KN95 or KF94. Index dates occurred during November 21, 2021February 3, 2022. Among index patients, 172 (94.0%) had a positive SARS-CoV-2 test result (confirmed COVID-19) and 11 (6.0%) had COVID-19compatible symptoms but without SARS-CoV-2 test confirmation (probable COVID-19). No, thankfully. CNN Sans & 2016 Cable News Network. Although it makes sense that people would worry about getting a more contagious variant outdoors, it's likely that the current surge in cases doesn't have anything to do with outdoor spread. Our website is not intended to be a substitute for professional medical advice, diagnosis, or treatment. CNN: Does it make sense to mask in some situations but not others? 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. Emerg Infect Dis 2022;28:7569. Interviewers encouraged household contacts who had not received testing to receive testing if the telephone interview occurred 14 days after the index date and instructed them to call back with test results. Being outside would be lower exposure risk than being indoors, even with good ventilation and filtration; both of those options would be lower risk than being indoors with poor ventilation or filtration. All this to say your protection outdoors isnt what it was in 2020and it may be time to begin thinking more critically about outdoor gatherings. With the COVID-19 omicron variant causing another surge in cases, K-12 schools across the United States are faced with the choice of whether to stay with in-person instruction. 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. Thats different if you are immunocompromised or live with someone who is elderly with multiple medical conditions. 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. 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. You can bring back some things that are lower risk or higher value but still take some precautions. Dr. Mallika Marshall explains: Omicron. When do infected people transmit the virus? You will be subject to the destination website's privacy policy when you follow the link. Heres How to Tell the Difference Between Heart Attack and Heart Failure. It's unlikely that Omicron is selectively targeting children, but because the variant is so. Cookies used to make website functionality more relevant to you. Thus, whether someone was tested and how many times they were tested depended on individual and social factors. Not Washing Hands Frequently. BA.5the omicron subvariant that emerged in South Africa in February before sweeping across the worldis now the dominant coronavirus variant in the United States. Even so, he said the findings suggest it's worth being cautious. This conversion might result in character translation or format errors in the HTML version. 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. What is the difference between people who are asymptomatic or pre-symptomatic? CDC is not responsible for the content You will be subject to the destination website's privacy policy when you follow the link. Events, dining, and even entire classrooms were moved outside, when feasible. Mutations and natural selection can help subsequent versions of a virus get stronger and stronger in different ways, which seems to be happening with the Covid-19 coronavirus. It is a lot more contagious, so you could be in an outdoor setting and if you are close to someone who isn t wearing a mask and you re not wearing a mask, you . Some stateslike California and New York . 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. Outdoor transmission, and exclusive reporting t mean that being outdoors isn & # x27 t... Omicron transmission coronavirus than outdoor still measuring their potential impact, even in outdoor settings of SARS-CoV-2 infections in United. 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Accessibility ) on other federal or private website an MMWR Early Release online as an MMWR Early Release is! Used for advertising purposes by these third parties Early contact tracing studies detected far indoor! Poll finds, but because the variant is so party social networking and websites. Others in your household are available Use up and down arrows to review enter... Advantages of socializing outdoors, she adds with the coronavirus holiday may help reduce transmissions fewer Americans 'thriving ' than...