Booster doses recommended for all adults

With the new variant of COVID-19 now officially present in the United States, the Centers for Disease Control (CDC) is once again strengthening its recommendations on booster doses for people over the age of 18.

Scientists are scrambling to collect data on Omicron, which was first documented in South Africa and has been listed as a variant of concern. It is known to have more than 50 mutations, but little is yet known about whether illnesses caused by the variant will be different or any more or less severe than from other forms of the virus.

“Early data from South Africa suggest increase...