US leaders urge Covid boosters for all ahead of expected FDA authorization

States and cities recommend residents older than 18 seek an additional shot six months after their initial immunization

As Covid-19 cases in the US begin to rise once more and health agencies consider booster shots for all adults, some states and cities are taking matters into their own hands and urging additional shots, advice that goes beyond current federal guidelines.

Leaders in Colorado, California, New Mexico, Arkansas, West Virginia, and New York City recommend that residents older than 18 seek an additional shot six months after their initial immunization.