At-Risk Adults, Workers Were Reluctant to Get Covid-19 Shots (1)

Only about half of U.S. adults surveyed late last year said they were certain or very likely to get a Covid-19 vaccine, according to a new report from by the Centers for Disease Control and Prevention.

The study, released Tuesday in the CDC’s Morbidity and Mortality Weekly Report, surveyed 3,541 people in September and 2,033 individuals in December. The first Covid-19 vaccine, developed by Pfizer Inc. and BioNTech SE was authorized by the Food and Drug Administration on Dec. 11. A similar vaccine made by Moderna Inc. was cleared for emergency-use shortly thereafter.

A greater proportion of people indicated ...