Effectiveness of CoronaVac and BNT162b2 Covid-19 Mass Vaccination in Colombia: a population-based cohort study
Paternina-Caicedo A., Jit M., Alvis-Guzmán N., Fernández JC., Hernández J., Paz-Wilches JJ., Rojas-Suarez J., Dueñas-Castell C., Alvis-Zakzuk NJ., SMITH A., De La Hoz-Restrepo F.