Recently, Dr. Anthony Fauci said the delta variant of the novel coronavirus is the greatest threat to eliminating COVID-19 we have seen yet. The highly contagious variant, which was first found in ...

The more contagious Delta variant of Covid-19 now makes up 83% of sequenced samples in the United States, US Centers for Disease Control and Prevention Director Dr. Rochelle Walensky said Tuesday.

Last week, the number of COVID-19 cases in children in the US reached levels not seen since the winter surge. And with the return to school, the Delta variant on the rise and winter approaching, ...

CNN — A new and slightly changed version of the Delta coronavirus variant is spreading in a number of countries including the United Kingdom, United States and India, health officials say. This strain ...

The highly infectious Delta variant of COVID-19 has made up more than 80% of California samples sequenced for July, the same proportion top U.S. health officials have recently cited as the national ...

NEW YORK (WABC) -- New York City's latest COVID positivity rate is still low at 1.17 percent. Marriage bureaus in the city are opening on Monday for in-person weddings. However, there was a warning on ...

MILWAUKEE, Wis. (CBS 58) - Wisconsin has seen a slight uptick in COVID cases since late June. On Friday, state officials said the unvaccinated population is at most risk, and the Delta variant will ...

NEW YORK -- As Americans brace for the possibility of another difficult winter ahead in the nation's fight against coronavirus, there is a renewed sense of urgency to get as many people inoculated and ...

Some patients "don't think COVID is real," one health care worker told ABC News. Health care workers in southwest Missouri are sounding the alarm over a wave of young, unvaccinated COVID-19 patients ...