When to get a COVID booster? statistics says annually to steer clear of outbreaks - us of a these days

usatoday.com can not deliver an excellent consumer event to your browser. to use this site and continue to benefit from our journalism and site facets, please improve to the latest edition of Chrome, part, Firefox or Safari.

Chrome: https://www.google.com/chrome/

area: https://www.microsoft.com/side/

Firefox: https://www.firefox.com/

Safari: replace to latest edition during the App store