Oct 22

Is it time to get a COVID-19 booster? Which one?

A number of factors, including the vaccine you started with and when your last dose was, help determine when you qualify, according to recommendations issued Thursday by the Centers for Disease Control and Prevention.

The World Health Organization released a proposed list of 25 experts to advise it on the next steps in searching for the origins of the coronavirus after its earlier efforts were slammed for accommodating China, where the first human cases…