Coronavirus updates: Herd immunity by fall 'ambitious,' says surgeon general nominee
In 44 states, the seven-day average of new cases dropped over 10%.
A pandemic of the novel coronavirus has now infected more than 98.7 million people worldwide and killed over 2.1 million of them, according to real-time data compiled by the Center for Systems Science and Engineering at Johns Hopkins University.
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California reports highest daily death toll
California reported its highest daily death toll since the start of the pandemic with another 764 lives lost.
The state reported 23,024 new cases on Friday.
Severe allergic reactions rare but possible with Moderna vaccine
A CDC report released Friday indicates that the risk of severe allergic reactions with Moderna's vaccine is low. Severe, life threatening allergic reactions were seen in 2.5 cases per million people receiving the first dose of the Moderna COVID-19 vaccine, the report said.
Of the 4,041,396 first doses given as of Jan. 10, there were 1,266 (0.03%) reports of "adverse events," the report said. Among those, 108 "adverse events" were considered as possible cases of severe allergic reaction, including anaphylaxis. Ten cases were determined to be anaphylaxis (a rate of 2.5 anaphylaxis cases per 1 million doses) including nine people with a documented history of allergies or allergic reactions, the report said.
ABC News’ Sony Salzman contributed to this report.
UK variant may be associated with higher mortality, Boris Johnson says
More people are testing positive for the United Kingdom’s variant of the coronavirus, and British Prime Minister Boris Johnson said Friday “there is some evidence that the new variant may be associated with a higher degree of mortality.”
U.K. Chief Medical Officer Chris Whitty stressed that the data is uncertain and there is a chance the new variant is increasing infections and mortality.
The U.K. has seen record daily death tolls several times this week.
There were 1,401 deaths in the last 24 hours.
ABC News’ Kirit Radia, Sony Salzman and Joe Simonetti contributed to this report.
New York running out of vaccines today but more on the way: Cuomo
New York state has used 97% of its allocated vaccine doses so far (for weeks 1 through 5) and will run out of doses by the end of the day, Gov. Andrew Cuomo said Friday.
Week 6 doses are currently being delivered, the governor said.
New York’s positivity rate has fallen to 5.65%, Cuomo said. Hospitalizations are also on the decline.
ABC News’ Rachel Katz contributed to this report.
Over 20 million vaccine doses administered in US
There have now been more than 20 million vaccine doses given out in the U.S., the CDC reported on Saturday.
The milestone was reached 23 days after the goal set by former President Donald Trump administration's Operation Warp Speed to reach that number of doses by the end of 2020.
President Joe Biden's administration has pledged to distribute 100 million doses in the first 100 days, as well as ramp up production of materials to administer vaccines amid an increase in demand and shortages of supply at the state level.
-ABC News' Ahmad Hemingway contributed to this report.