How effective are the Sputnik V and AstraZeneca vaccines against the Delta variant? – Telam

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1. How effective are the Sputnik V and AstraZeneca vaccines against the Delta variant?Telam
2. US CDC now considers Delta “a variant of concern”infobae
3. Debbag: “Argentina will circulate the Delta variant in the coming weeks”Perfil.com
4. Delta, the variant of the coronavirus which sows concern in the worldPage 12
5. Russia says its Sputnik V vaccine is most effective against Delta variant of coronavirusinfobae
6. See full coverage on Google News