COVID-19 Vaccines Development Progress The new coronavirus (COVID-19) vaccine is a vaccine against the new coronavirus. On January 24, 2020, the...
Cabazon
How long a medical mask could be worn? How long a medical mask could be worn? It is generally recommended...
Hand Washing and Mask Helpful Against COVID-19 and Flu COVID-19 and flu "comes one after another", how to prevent?...
Plastic face shields are not effective in blocking aerosols A Japanese study found that: plastic face shields are not effective...
130,000 lives may be saved if American people wear masks 130,000 lives may be saved if American people wear...