It is still unclear whether existing vaccines work against omikronvar…

© fvv, Fred Debrock

As the omikron variant continues to spread worldwide, one important question is keeping everyone in the loop: how well do the existing vaccines against the omikron variant work? It is still difficult to answer that for the time being. But what if new versions of the vaccines are needed? How long does something like this take and how does it happen?

Guy Stevens

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