COVID-19 and air pollution: A dangerous association? M. Urrutia-Pereira; C.A. Mello-da-Silva; D. Solé;

BCG as a game-changer to prevent the infection and severity of COVID-19 pandemic? A.R. Sharma; G. Batra; M. Kumar; A. Mishra; R. Singla; A. Singh; R.S. Singh; B. Medhi;

SARS-CoV2 coronavirus: so far polite with children. Debatable immunological and non-immunological evidence F. Álvez;