Researchers at Cedars Sinai Medical Center in Los Angeles told Reuters that a new coronavirus variant found in California drove a surge in cases during the Christmas New Year holiday period.

Dr.

Jasmine Plummer compared the Cal 20 c variant toe, another highly contagious mutation first discovered in the United Kingdom.

We're learning a lot from the strains.

If we look at the UK variant, um, we're actually learning that it's more infectious.

On Sunday, 600 director Rochelle Walensky said there are over 1000 cases of the British coronavirus variant known as B 117 in the United States.

She added that it may become the dominant strain by the end of March.

The highly transmissible South African mutation was also detected in the United States at the end of January.

Reuters data on Sunday showed there were more than 27 million coronavirus cases in the US The nation's death toll is steadily climbing toward half a million right aid CEO Hayward Donegan on Sunday said vaccine supply has so far been unable to meet the demand She added that private sector pharmacies would be best equipped to help with regards to scheduling vaccinations, which is so far still in the hands of state and local jurisdictions.

Late last week, US President Joe Biden said the US would have enough vaccine doses for 300 million people by the end of July.