COVID-19 Vaccine Effectiveness at a Referral Hospital in Northern Peru: A Retrospective Cohort Study

por Valladares-Garrido, Mario J., Zeña-Ñañez, Sandra, Peralta, C. Ichiro, Puicón-Suárez, Jacqueline B., Díaz-Vélez, Cristian, Failoc-Rojas, Virgilio E.
Publicado 2022