AP-NORC poll: A third of US adults skeptical of COVID shots

Penny Cracas, with the Chester County, Pa., Health Department, fills a syringe with COVID-19 vaccine before administering it to emergency medical workers and healthcare personnel at the Chester County Government Services Center in West Chester, Pa. Kona Community Hospital will expand vaccinations to community members over age 75 starting next week. (AP Photo/Matt Slocum, File)

NEW YORK — About 1 in 3 Americans say they definitely or probably won’t get the COVID-19 vaccine, according to a new poll that some experts say is discouraging news if the U.S. hopes to achieve herd immunity and vanquish the outbreak.