COVID Boosters Might Be Less Than 20% Effective After a Few Months: Study - NBC New York

Boosters against COVID-19 may be less than 20% effective in preventing infection just nine months after they're given, a new Italian study says.

COVID booster shots appear to be less than 20% effective against infection with the omicron variant of the virus just a few months after the booster is given, a new study found this week. The Italia… [+1343 chars]

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