COVID 19 Tech

Up to 76% of COVID vaccine side effects are just in people’s heads, study finds

Enlarge / A drive-up COVID-19 vaccination site from Renown Health on December 17, 2020, in Reno, Nevada. (credit: Getty | Patrick Fallon) Even before their rollout, a distinct feature of safe and effective COVID-19 vaccines has been their “reactogenicity“—that is, their tendency to cause mild symptoms that signal immune responses firing up after a shot, […]