Unravelling the role of the mandatory use of face covering masks for the control of SARS-CoV-2 in schools: a quasi-experimental study nested in a population-based cohort in Catalonia (Spain).
Ermengol ComaMartí CatalàLeonardo Méndez-BooSergio Alonso MuñozEduardo HermosillaEnrique Alvarez-LacalleDavid PinoManuel Medina PeraltaLaia AssoAnna GatellSozinho AcácioAriadna MasAntonio Soriano-ArandesFrancesc FinaClara PratsPublished in: Archives of disease in childhood (2022)
We found no significant differences in SARS-CoV-2 transmission due to FCM mandates in Catalonian schools. Instead, age was the most important factor in explaining the transmission risk for children attending school.