Written by Maria Cohut, Ph.D. on April 13, 2020
Fact checked by Mary Cooke, Ph.D.
Research published at the beginning
of April which has since been
casts serious doubts about
the effectiveness of both surgical and
cloth masks in preventing the spread
of infectious SARS-CoV-2 particles.
Disclaimer: The study that this article
"Effectiveness of surgical and
cotton masks in blocking SARS-CoV-2"
was retracted by the authors following
recommendations from the editors of Annals
of Internal Medicine. The authors have
admitted that the data that they analyzed in
their study were "unreliable," making their