The Rationale for Fitted Facepiece Filtering Respirators (FFR) vs Masks Respirators have been mandatory in public places in Austria for a year. Now, the United States Centers for Disease Control and Prevention suggests respirators be considered for greater protection, for instance, on public transport or in enclosed crowded spaces. It’s time to rethink and upgrade masks to filtering facepiece respirators (FFR) for workers the community and your family. 
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