Moderna Says Covid Shot Remains 90% Effective After Six Months

Moderna Inc.’s coronavirus vaccine remained more than 90% effective after six months, according to a new analysis of data from the company’s final-stage trial.

Beginning two weeks after the second dose, the shot was more than 90% effective overall, and more than 95% effective at preventing severe cases, according to a statement. The company didn’t release further details and said the follow-up results were preliminary as the study is continuing.