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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 previous ...
2023年11月10日 · COVID-19 Omicron symptoms are usually mild. They tend to include sore throat, runny nose, and other symptoms similar to a cold. They may not include lower respiratory tract symptoms such as ...
2023年11月15日 · Among the COVID strains you may have heard of are Delta and Omicron. Delta was the most common in the U.S. in the fall of 2021. In 2023, Omicron was the dominant strain. Learn more about the COVID ...
2023年10月27日 · News. Human Immunity Pushing Back on COVID As New Variant Arises. Written by Allison Shelley. 4 min read. Oct. 27, 2023 – The virus that causes COVID-19 is adapting again, and the variant of...
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5月26日 · Written by Ralph Ellis. 2 min read. May 26, 2023 – About 10% of people infected with Omicron reported having long COVID, a lower percentage than estimated for people infected with earlier strains...
2023年12月19日 · Since the beginning of the pandemic there have been several COVID-19 variants, including Alpha, Beta, Delta, and Omicron, with a range of dominance among the strains.
