Secondary respiratory early and late infections in mechanically ventilated patients with COVID-19. - Ceballos, María Elena; Nuñez, Carolina; Uribe, Javier; Vera, María Magdalena; Castro, Ricardo; García, Patricia; Arriata, Gabriel; Gándara, Vicente; Vargas, Camila; Dominguez, Angélica; Cerón, Inés; Born, Pablo; et al. (BMC Infectious Diseases, 2022)