Surgical, cotton masks do not prevent SARS-CoV-2 spread from coughs
29 Apr 2020
bởiStephen Padilla
Use of surgical or cotton masks does not effectively prevent the spread of SARS-CoV-2, the virus the causes the novel coronavirus disease (COVID-19), from coughs of infected patients to the environment and external mask surface, according to the results of a controlled comparison study.
