The UK government has amended its foreign travel guidance to clarify that the Indian-made version of the AstraZeneca vaccine is an approved jab.
About 3,000 health workers in France have been suspended because they have not been vaccinated against Covid-19.
Italy is to make it compulsory for all workers to have a Covid "green pass" - proof of vaccination, a negative test or recovery from the virus.
Covid booster jabs will begin to be offered across the UK from next week.
hildren in the UK aged 12 to 15 are set to be able to get a Covid jab, following advice from the UK's chief medical officers.
Fully vaccinated people are much less likely to die with Covid-19 than those who aren't, or have had only one dose, figures from the Office for National Statistics (ONS) show.
Healthy children aged 12 to 15 should be offered one dose of a Covid vaccine, the UK's chief medical officers say.
Tens of thousands of volunteers are being recruited in a trial of a potentially "game-changing" blood test for cancer.
The vaccines are still providing strong protection, a year on from the initial two doses, says the scientist who developed the Oxford-AZ vaccine.
Israel's booster vaccination programme - offering a third shot to over-40s - has begun to show signs of success.
