Comirnaty (tozinameran - Pfizer/BIONTECH) (n=21720) vs. placebo (n=21728)
randomized controlled trial
some concerns about risk of bias
BNT162b2
two doses, 21 days apart, of BNT162b2 vaccine candidate (30 μg per dose)
placebo
COVID-19 prophylaxis (excluding children)
Adults 16 years of age or older who were healthy or had stable chronic medical conditions, including but not limited to human immunodeficiency virus (HIV), hepatitis B virus, or hepatitis C virus infection. Key exclusion criteria included a medical history of Covid-19, treatment with immunosuppressive therapy, or diagnosis with an immunocompromising condition