page = covid-19 : npr
url = https://www.npr.org/tags/804916759/covid-19
The delta variant, first detected in India, is spreading across the globe and is now the dominant variant in the U.S., according to estimates by the CDC. Boris Roessler/DPA/Picture Alliance via Getty hide caption
Boris Roessler/DPA/Picture Alliance via Getty
Delta Is Now The Dominant Coronavirus Variant In The U.S.

July 6, 2021 • The CDC just released new estimates showing the highly contagious delta variant now accounts for 51.7% of cases in the U.S. In some parts of the country, the strain is responsible for 80% of cases.