Costa Rica signs Covid-19 vaccine deal with Pfizer and BioNTech
at 10.05pm EST
South Korea considering tighter restrictions amid case surge
South Korea reports highest cases in nine months
Experts in the UK have called for an end to the use of rapid coronavirus tests in universities and care homes, after government figures from the mass testing programme in Liverpool revealed the tests missed 30% of those with a high viral load.
The figures showed that the rapid tests identified just five out of 10 positive cases which had been detected by standard coronavirus tests, and seven out of 10 of those with high quantities of the virus.
The rapid tests, also known as lateral flow tests, provide much quicker results than standard tests. This speed has led to their use in care homes to allow family members to visit, and in universities to allow students to return home for Christmas:
Biden joins ex-presidents in pledge to take vaccine
Cooking at home has even become the new commute, providing a clear separation between work time and home time, the study claims, while more than half of households have been more carefully planning recipes and meals and intend to carry on:
Anthony Fauci apologises for implied criticism of speedy UK vaccine approval
Moderna to supply up to 125m Covid-19 vaccine doses globally in first quarter
at 7.10pm EST
Biden will ask Americans to wear masks for his first 100 days in office
at 6.53pm EST