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  1. Started what? There is no *the* covid - vaccine , there are at least 5 vaccines against covid - 19 on the market: pfizer, moderna, astrazeneca , jansen, sputnik and more are being developed

    2 Answers · Health · 03/02/2021

  2. ... a COVID - 19 vaccine .. furthermore, Pfizer...asymptomatic or with very mild COVID - 19 .. so IN THEORY...virus to other people.. only in AstraZeneca trials, that they'...

    7 Answers · Health · 25/01/2021

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