Health officials encourage vaccinations as U.S. waits for arrival of omicron Concerns about omicron are growing after the head of Moderna expressed doubt about vaccines’ effectiveness against the new coronavirus variant. Some scientists are more optimistic, though.
Health officials encourage vaccinations as U.S. waits for arrival of omicron
- Download
-
<iframe src="https://www.npr.org/player/embed/1060382134/1060382135" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
Concerns about omicron are growing after the head of Moderna expressed doubt about vaccines’ effectiveness against the new coronavirus variant. Some scientists are more optimistic, though.