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Annika Rossler News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Covid-19: Vaccines Less Effective Against Omicron Variant, Lab Study Suggests

Variant-adapted vaccines are needed, researchers say

North carolinaUnited statesPsalynn boylesAnnika rosslerAustralia medical university of innsbruckNew england journalMedical universityContributing writer

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