Search results
Jul 2, 2021 · The delta variant, which was first identified in India, now accounts for 25 percent of new Covid-19 cases in the U.S., and is on track to become the dominant version of the virus circulating in...
Find out about the delta variant and how it spreads, and how a COVID-19 vaccine can protect you.
Oct 18, 2021 · Early in the infection, when people are most likely to be contagious, the Delta variant seems to replicate in amounts that are perhaps 1,000 times as much as those seen in people infected with...
Jul 7, 2021 · The highly contagious delta variant now accounts for more than 51% of COVID-19 cases in the U.S., according to new estimates released by the Centers for Disease Control and Prevention. The...
Jul 2, 2021 · What experts know so far about the delta variant. The variant is rapidly outcompeting other versions of the coronavirus around the world. Passengers board a Missouri River Runner Amtrak train...
Jul 30, 2021 · What is the Delta variant? Why is it more transmissible? Does the Delta variant cause more serious Covid-19 disease? Answers to your questions about the Delta variant.
Jul 21, 2021 · Results. Effectiveness after one dose of vaccine (BNT162b2 or ChAdOx1 nCoV-19) was notably lower among persons with the delta variant (30.7%; 95% confidence interval [CI], 25.2 to 35.7) than...
