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Mirjam Ambrosius
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Ask the experts: Do current COVID vaccines protect against the omicron variant?

Jonas Egerer
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Veronika Grimm
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A.H. van der Weijde
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Michael Toffel
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Cristóbal Pais Martínez
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What is the omicron variant of COVID-19? What do we know about it?

Yunbei Xu
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Pa. prepares for omicron COVID variant: What we know and don't know