"The currently available 2-dose COVID-19 vaccines were not effective in preventing symptomatic disease caused by the omicron variant, as determined according to data from more than 800,000 omicron-infected individuals. . . . Boosters created a short-term improvement in vaccine effectiveness against the omicron variant, but this effect also declined over time."
Read the whole article. It's complex with percentages and number of weeks following the vaccine. But clearly, there is a long way to go.
https://www.medscape.org/viewarticle/971927?
Wednesday, April 20, 2022
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