Face masks considerably reduce COVID-19 cases in Germany – Proceedings of the National Academy of Sciences
The post Study in Germany comparing regions with vs. without mask mandates concluded that 20 d after becoming mandatory, face masks reduced new Covid-19 infections by around 45% appeared first on Links Medicus.
Assurez-vous d'entrer toutes les informations requises, indiquées par un astérisque (*). Le code HTML n'est pas autorisé.