Schools do not appear to play a big role in spreading coronavirus, say UK researchers who have studied teacher and pupil absences during the pandemic.
Pet cats and dogs in the capital city of South Korea will be tested for Covid-19 if they show symptoms, the Seoul metropolitan government has said.
As many as 88% of people still have antibodies in their blood to fight Covid-19 six months after infection, a study of almost 1,700 people suggests.
Israel's vaccination programme is showing signs of working to drive down infections and illness in the over-60s.
A potential treatment for Covid using blood plasma does not reduce deaths among hospital patients, trials show.
Prime Minister Boris Johnson has said it is "excellent news" that a third coronavirus vaccine has been approved for use in the UK
The new variant of Covid-19 is "hugely" more transmissible than the virus's previous version, a study has found.
A team of 10 international scientists will travel to the Chinese city of Wuhan next month to investigate the origins of Covid-19, the World Health Organization (WHO) has said.
More than 130,000 people have been vaccinated in the first week of the UK's vaccination programme.
Covid vaccinations will start being given to patients from GP surgeries in England as part of the next stage of the rollout of the programme.
