The U.K. has been using the Pfizer/BioNTech treatment for the last 24 hours, as British regulators warn that people with severe allergic reactions shouldn’t get the Covid-19 vaccine.

Germany reports highest one-day virus increase
BERLIN Germany has reported its highest one-day total of new coronavirus cases, while the number of deaths linked to COVID-19 has climbed above 20,000.
The national disease control center, the Robert Koch Institute, said Thursday that 23,679 new cases were confirmed over the previous 24 hours. Thats just above the previous record of 23,648 from Nov. 20.
A partial shutdown that started Nov. 2 has succeeded in keeping the surge from picking up speed, but the number of daily new cases have remained around the same high level in recent weeks rather than falling. Momentum is building for a harder lockdown over Christmas and New Year, and some regions already are introducing new restrictions.
Thats partly because deaths, which have been relatively low in Germany compared with several other European countries, have increased markedly. Another 440 deaths were reported on Thursday, following a single-day record of 590 on Wednesday.
That brought the total so far to 20,372. Germany has reported some 1.24 million coronavirus cases since the pandemic began.
More than 3,000 Covid deaths reported Wednesday
For the first time, more than 3,000 Covid-related deaths were recorded across the country Wednesday, according to an NBC News tally. 
The previous single-day record was set April 22, when 2,861 deaths were reported.
More than 290,000 people have died from the coronavirus across the United States since the beginning of the pandemic this spring.  
In the past week, the U.S. has averaged 205,601 cases per day and 2,260 deaths per day. That’s up from 158,396 cases and 1,176 deaths per day four weeks ago.