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.

OTTAWA - There’s no definitive word on just how many people need to be vaccinated against COVID-19 to reach herd immunity but, whatever it is, Canada’s top doctor says the highly contagious Delta ...

The CDC reports the delta variant of the coronavirus is surging in the U.S. and now accounts for about 83% of new COVID-19 cases. Director of the CDC, Dr. Rochelle Walensky shared the data during a ...

The delta variant is fueling the COVID-19 surge in the United States, but experts warn that a more dangerous variant could emerge if more Americans don't get vaccinated. Delta is the most recent of ...

Don't miss out on the headlines from Illness. Followed categories will be added to My News. B. 1.617.2 is the same coronavirus strain that has decimated India and is also causing concerns in the ...

PHILADELPHIA (WPVI) -- New numbers are shedding light on just how quickly the Delta variant of COVID-19 is spreading in the United States. The more contagious Delta variant now makes up 83% of ...

The highly contagious Delta variant has become the dominant coronavirus strain in the US, accounting for more than 51 per cent of Covid infections in the country, according to new data released by the ...