Several pathogenic microbes were identified and quantified on masks worn during the pandemic, according to a Japanese study that was published in Scientific Reports. The study is one of the first to address the probable hygiene issues caused by bacterial and fungal growth on masks worn daily in the community. “Since masks can be a direct source of infection to the respiratory tract, digestive tract, and skin, it is crucial to maintain their hygiene to prevent bacterial and fungal infections that can exacerbate COVID-19,” the authors wrote. The study involved 109 participants aged 21 to 22 years who were asked...