Daniel J. asked

🏥  Medical

I received a first dose of AstraZeneca vaccine in Brazil in late April and then a first dose of Pfizer vaccine in the U.S. My doctor in Brazil believes I should get both doses of Pfizer to be fully protected. What is your opinion?

May 14th, 2024

Joseph G. answered

It is generally recommended to avoid combining two different COVID-19 vaccines due to lack of offici...

May 14th, 2024

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