When Do You Have Side Effects From The Johnson & Johnson’s COVID-19 Vaccine?

What is the Janssen COVID-19 vaccine?

Janssen COVID-19 Vaccine is authorized to prevent coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in individuals 18 years of age and older. It is administered as a single-dose. via

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