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26 nov 2021
26 nov 2021

Varianti Covid, da alpha a sudafricana: dove, quando e caratteristiche

Ogni ondata di pandemia ha visto nascere moltissime mutazioni del virus Sars-CoV-2

26 nov 2021
epa08955843 A nurse prepares a dose of vaccine against covid-19 during the immunization process of older adults at long-term care institute for elderly people of Sao Paulo, Brazil, 21 January 2021. Brazil began the vaccination this week throughout its territory with only 6 million doses of Coronavac, which received the go-ahead from the regulatory agency on 17 January, as well as the formula developed by the AstraZeneca laboratory and the University of Oxford.  EPA/SEBASTIAO MOREIRA
Covid, esami in laboratorio (foto Ansa generica)

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