Critics of anti-pandemic measures prompted schools to end mask mandates, but doing so exposed millions to COVID infection, ...

Face masks won't totally block COVID, but some, like the N95 mask ... store it in a breathable paper bag for at least 5 days. This gives any traces of virus on the mask time to die.

Each mask is individually wrapped in paper packaging ... What’s the most effective face mask for COVID-19? According to the CDC, the most effective mask for COVID-19 protection is a NIOSH ...