02-12-2021, 12:06 PM
Drugmakers are racing to develop new vaccines intended to target the omicron variant, a coronavirus strain that has mutations that suggest it could evade immunity provided by vaccination or natural infection.
https://www.nbcnews.com/health/health-ne...a-rcna6995
https://www.nbcnews.com/health/health-ne...a-rcna6995