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Preprint
The effectiveness of Vaxzevria and CoronaVac vaccines: A nationwide longitudinal retrospective study of 61 million Brazilians (VigiVac-COVID19)
| Date Issued:
2021 | Copyright:
open access
Preprint
Influence of age on the effectiveness and duration of protection in Vaxzevria and CoronaVac vaccines (Preprint)
| Date Issued:
2021 | Copyright:
open access