Tim Spector professor of genetic epidemiology at King's College London Archives - The Rio Times

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Delta variant of Covid-19 not yet circulating in São Paulo – city hall

Delta variant of Covid-19 not yet circulating in São Paulo – city hall

RT Staff Reporters -

June 15, 2021

Delta variant symptoms include headache, runny nose, and sore throat, similar to common cold

Delta variant symptoms include headache, runny nose, and sore throat, similar to common cold

RT Staff Reporters -

June 15, 2021