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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15日 · Omicron subvariant BA.2.12.1: In the spring of 2022, it made up almost 43% of COVID-19 infections in the U.S. Omicron variants BA.4 and BA.5. These were first spotted in South Africa.
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2023年5月26日 · 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 of the coronavirus,...
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 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12月19日 · This is the most common transmission. When an infected person coughs, sneezes, or talks, droplets or tiny particles called aerosols carry the virus into the air from their nose or mouth. Anyone ...
2022年12月29日 · Loss of smell. Nausea or vomiting. Diarrhea. The virus moves down your respiratory tract. That’s the airway that includes your mouth, nose, throat, and lungs. Your lower airways have more ACE2 ...
