10 Staðreyndir sem Sanna að þú ert Tilraunadýr í Leynilegri Bóluefnatilraun
STAÐREYND 1 Pfizer-BioNTech COVID-19 BNT162b2 Vaccine Effectiveness Study – Kaiser Permanente Southern California. Condition or disease Intervention/treatment COVID-19 Biological: Primary…