Most of the 43 cases of the COVID-19 Omicron variant found in the United States were mild and occurred among vaccinated people, but boosters are effective against it, according to a report the CDC released Friday.
Of the 43 people with cases, more than half were 19 to 39 years old, and 34 had been fully vaccinated. But only nine people had received a booster shot at least 2 weeks prior to becoming infected.
A total of 14 people with Omicron had reported traveling internationally, and six had been previously infected with COVID-19.
Read more here : https://www.medscape.com/viewarticle/964672?uac=218819SG&faf=1&sso=true&impID=3872761&src=mkm_covid_update_211213_MSCPEDIT
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