Delta Variante Impfung

Beta, along with a few other variants of coronavirus, such as Delta and Alpha, have been labelled "variants of concern". These have some worrying changes experts want to keep a very close eye on.

Source : https://www.bbc.com/news/health-55534727

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Filed Under: BBC
Beta coronavirus variant: What is the risk?

Source:BBC

Beta coronavirus variant: What is the risk?