Study examines bacterial and fungal exposures from repeated or prolonged mask usage. "..we found [increases in] several pathogenic microbes; Bacillus cereus, S

Study examines bacterial and fungal exposures from repeated or prolonged mask usage. "..we found [increases in] several pathogenic microbes; Bacillus cereus, Staphylococcus saprophyticus, Aspergillus, and Microsporum..." "We propose that immunocompromised people should avoid repeated use of masks to prevent microbial infection." Nothing too alarming, but kind of what you'd expect putting something on your face. tl;dr - Wear a fresh mask.