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2024年1月7日 · Omicron’s incubation is around 3 days, compared with 4-5 days for earlier strains. This means that if you get infected with the Delta strain, your symptoms may show up much faster.
2023年8月17日 · Omicron is a variant of SARS-CoV-2, the virus that causes COVID-19. It first appeared in November 2021 and quickly became the dominant variant around the world. It spreads faster than...
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How long is Omicron contagious?
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Is the new Omicron variant a 'one to watch'?
What is the most common strain of Omicron?
2022年12月26日 · The Omicron variant, which is now the dominant strain of COVID-19 in the United States, is highly contagious and spreads faster than the original virus.
2023年11月10日 · COVID-19 is a respiratory condition caused by a coronavirus. Some people are infected but don’t notice any COVID-19 symptoms (doctors call that being asymptomatic). Most people have mild symptoms...
2023年11月15日 · COVID variants of concern. Experts use a rating system to determine how carefully a variant needs to be watched. A strain will be labeled a variant of concern, or VOC, if, compared to other ...
2024年3月1日 · March 1, 2024 – The CDC has updated its guidance for how long people should isolate when they are sickened by COVID-19. The new stay-at-home instructions now match those for people sickened with...
2022年12月25日 · The most common symptoms of COVID-19 are a fever, coughing, and breathing problems. Unless you have severe symptoms, you can most likely treat them at home, the way you would for a cold or the flu....
