Most care home residents will need to wait for their Covid-19 vaccine because of difficulties in transporting the newly-approved jab.
The Education Secretary said students in England "won't have missed out on" teaching for the subject they will be examined on in the Summer.
The US has suffered its worst one-day death toll since Covid first arrived in the country. A total of 2,760 American Covid-19 deaths were reported on Wednesday.
Hospitals are one of the 'three modes of delivery' for the vaccine - alongside mass vaccination centres and community roll out via GPs and pharmacists.