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1. www.webmd.com › covid › covid-omicron-variantOmicron Variant: Symptoms and Treatment - WebMD

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   2023年8月17日 · What Is the Omicron Variant? In November 2021, the World Health Organization (WHO) first identified the Omicron mutation of the COVID-19 virus as a variant of concern. It quickly became the most...

2. www.webmd.com › covid › coronavirus-strainsCOVID Variants and Strains - WebMD

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   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...

3. 其他人也問了

   Is the new Omicron variant a 'one to watch'?

   • In January of 2023, a new Omicron variant called XBB.1.16 was reported and labeled as “one to watch” by the WHO. Omicron variants seem to cause less serious illness than earlier types of this coronavirus. The COVID-19 vaccines still work well to protect people against hospitalization and death.

   Omicron Variant: Symptoms and Treatment - WebMD

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   How many Omicron variants are there?

   • All are branches of the Omicron strain, which first appeared in Africa in November 2021. It quickly became the dominant strain of the virus in the U.S. An Omicron variant named EG.5, also sometimes called "Eris," is the main version in the U.S. The WHO also was watching six variants to see whether they'd rise to the level of "variants of interest."

   COVID Variants and Strains - WebMD

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   How many variants of Omicron are there in 2023?

   • As of October 2023, the World Health Organization didn't list any variants of concern spreading. It did list three variants of interest that were circulating. All are branches of the Omicron strain, which first appeared in Africa in November 2021. It quickly became the dominant strain of the virus in the U.S.

   COVID Variants and Strains - WebMD

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   What is Omicron variant Eg5?

   • It quickly became the dominant strain of the virus in the U.S. An Omicron variant named EG.5, also sometimes called "Eris," is the main version in the U.S. The WHO also was watching six variants to see whether they'd rise to the level of "variants of interest." This group is called "variants under monitoring," or VUM.

   COVID Variants and Strains - WebMD

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4. www.webmd.com › one-in-ten-people-omicron-long-covidOne in 10 People Who Had Omicron Got Long COVID: Study - WebMD

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   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...

5. www.webmd.com › covid › newsFDA OKs New Treatment to Prevent COVID in High-Risk People - ...

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   2024年3月26日 · Coronavirus. News. FDA OKs New Treatment to Prevent COVID in High-Risk People. Written by Lisa O’Mary. 2 min read. March 26, 2024 – The FDA has approved a new antibody treatment to help prevent...

6. www.webmd.com › covid › coronavirus-incubation-periodCovid-19 Incubation Period - WebMD

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   2024年1月7日 · The Omicron variant has a shorter COVID-19 incubation period compared with other variants. For the Omicron variant, the incubation period is 1-4 days.

7. www.webmd.com › covid › covid-19-symptomsCoronavirus Symptoms: Early Signs, Serious Symptoms - WebMD

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   2023年11月10日 · Newer versions of COVID-19, like the Omicron strain EG.5, tend to infect the upper respiratory tract. Common symptoms of the new COVID-19 variants include a runny nose, sore throat , and other ...

8. www.webmd.com › covid › coronavirus-transmission-overviewHow Coronavirus Is Transmitted: Here Are All the Ways It Can ...

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   2022年8月11日 · Experts believe the virus that causes COVID-19 spreads mainly from person to person. There are several ways this can happen: Droplets or aerosols. This is the most common transmission. When an...