Wearing a mask is one way to reduce the spread of COVID-19. There are many types, including surgical masks, cloth masks, and respirators. SARS-CoV-2, the virus that causes COVID-19, usually transmits ...
The new omicron coronavirus variant seems to spread more easily than past variants — and some experts have said it may be time to switch to a higher-quality face mask, if you haven’t already, to best ...
Since May, highly contagious "FLiRT" coronavirus variants – a term for new mutations of Omicron – have been driving a rise in infections and emergency room trips. Virus levels at local wastewater ...
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