title: SARS and masks.
authors.forename: V
authors.initials: V
authors.lastname: Puro
authors.forename: N
authors.initials: N
authors.lastname: Magnavita
authors.forename: G
authors.initials: G
authors.lastname: Ippolito
mesh_terms: D018562:Disease Transmission, Infectious / Q000517:prevention & control; D006801:Humans; D008397:Masks; D045169:Severe Acute Respiratory Syndrome / Q000517:prevention & control / Q000635:transmission*