COVID-19 vaccines may not work as well against South African variant, experts worry

A coronavirus variant identified in South Africa may not be as vulnerable to COVID-19 vaccines as other strains, some scientists say. Studies are now underway to find out if that’s actually the case. If the variant, known as 501.V2, is resistant to available vaccines, the shots could be tweaked to boost their effectiveness — adjustments […]

Don’t worry. Your dentist probably won’t catch COVID-19.

The results of a new survey from the American Dental Association suggest that, earlier in the pandemic at least, dentists caught COVID-19 far less often than was expected. (Unsplash/) By now, most of us know that one of the ways COVID-19 is spread is by aerosols: droplets both large and small hanging in the air […]