page = covid-19 : npr url = https://www.npr.org/tags/804916759/covid-19 analysed @ 2021-12-29 16:10 UTC New data from the CDC released on Tuesday shows that while omicron remains the dominant variant, delta — which is the more severe strain — is still a worrisome driving force behind the current surge.
New data from the CDC released on Tuesday shows that while omicron remains the dominant variant, delta — which is the more severe strain — is still a worrisome driving force behind the current surge.