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Based on previous data, that means people with Omicron could start becoming contagious as soon as a day after infection. Advertisement With earlier variants, people became contagious two to...
Omicron was initially identified in Botswana and South Africa in November 2021—although later reports showed earlier cases in the Netherlands. On December 1, the CDC confirmed the first case in the U.S., in an individual in California who had returned from South Africa in November.
When Can You Be Around Other People After Having COVID? If you had symptoms, the CDC says you can be around others after you isolate five days and stop exhibiting symptoms.
At least three studies have found that people infected with omicron still have virus levels high enough to be contagious more than five days after their symptoms began. Researchers looked at...
It's during that time when people typically have the highest viral load and are most contagious. "The average peak is going to be on day two from when it was detected via a test," MacDonald said....
For example, if you're over age 65, your risk of being hospitalized with COVID-19 is still 5% with the omicron variant, which means 1 in 20 people infected in this age group will end up in the ...
Researchers estimate that people who get infected with the coronavirus can spread it to others 2 to 3 days before symptoms start and are most contagious 1 to 2 days before they feel sick. It's...
A 2021 study published by Boston University School of Public Health in JAMA Internal Medicine found that people infected with COVID-19 were most contagious two days before and three days after...
When Are People With COVID Most Contagious? The CDC says that its guidelines were updated to reflect growing evidence that suggests transmission of COVID-19 often occurs one to two days before the onset of symptoms and during the two to three days afterward.
The phase when you’re most contagious starts about 48 hours before you test positive and ends five days after your symptoms begin, according to Dr. Neha Vyas, a family medicine doctor at Cleveland Clinic in Ohio. She called this the “period of maximal contagiousness.”
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SARS-CoV-2 Omicron variantCOVID-19
The Omicron variant is a variant of SARS-CoV-2, the virus that causes COVID-19. It was first reported to the World Health Organization (WHO) from South Africa on 24 November 2021. On 26 November 2021, the WHO designated it as a variant of concern and named it "Omicron", the fifteenth letter in the Greek alphabet. wikipedia.org
- On 24 November 2021, the variant was first reported to the WHO from South Africa, based on samples that had been collected from 14 to 16 November.
- The Omicron variant likely will spread more easily than the original SARS-CoV-2 virus and how easily Omicron spreads compared to Delta remains unknown. CDC expects that anyone with Omicron infection can spread the virus to others, even if they are vaccinated or don’t have symptoms.
- More data are needed to know if Omicron infections, and especially reinfections and breakthrough infections in people who are fully vaccinated, cause more severe illness or death than infection with other variants.
- Current vaccines are expected to protect against severe illness, hospitalizations, and deaths due to infection with the Omicron variant. However, breakthrough infections in people who are fully vaccinated are likely to occur.
Information from the CDC
