Brazil authorizes trials with 3rd dose of AstraZeneca COVID vaccine

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Brazil’s health regulator Anvisa said on Monday that it has approved trials with a third dose of the AstraZeneca vaccine against COVID-19.

Anvisa said a third dose of the vaccine would be administered to 10,000 volunteers between 11 and 13 months after the second shot.

Photo: . EPA-EFE/FABIO MOTTA