Get double-jabbed to reduce this risk, advise experts who have studied different variants of the virus.
The desperate messages sent by Afghan politician Shukria Barakzai to a UK MP as the Taliban tried to hunt her down.
How bird feeding could disrupt an ecological balance just beyond our windowsills and gardens.
Some music fans accept they might catch Covid - but others are selling their tickets and staying away.
Caz Walton was 17 when she competed at the 1964 Paralympic Games in Tokyo and won gold.
A selection of powerful images from all over the globe, taken this week.
A couple who 30 years ago bought an abused chimpanzee are now trying to save a subspecies.
Schools in India have been closed for more than a year, with learning outcomes falling drastically.
Stories you may have missed this week include Russian army games and a WWII bunker turned into a B&B.
