On Tuesday, South African researchers added new details to what’s known about the Omicron variant of coronavirus.
The spread has been very fast in South Africa, Britain, and other countries. Government officials have emphasized that even if these variants can pass by some of the protection provided by vaccines, vaccinated people will tend to have milder disease or no symptoms at all once infected, making vaccines the number one choice, aside from masks and social distancing, to protect people. […]