enfermedades infecciosas
Vacuna contra la COVID 19
Referencia
1.Havers FP, Pham H, Taylor CA, et al: COVID-19-Associated Hospitalizations Among Vaccinated and Unvaccinated Adults 18 Years or Older in 13 US States, January 2021 to April 2022.JAMA Intern Med182(10):1071-1081, 2022. doi:10.1001/jamainternmed.2022.4299 