They are effective against symptomatic disease but protection is low after only one dose, a study says.

Josh Taylor says he has yet to demonstrate his full potential and believes he will produce a "career-best performance" to vanquish Jose Ramirez.

Anthony Joshua is ordered to defend his WBO heavyweight title against Aleksandr Usyk after the apparent collapse of his Tyson Fury bout.

Social media conversations on Israel-Gaza are changing, but why are many celebrities still staying quiet?

The favourite, Måneskin, came first with their rock song Zitti e Buoni but the UK got nul points.

Thousands are still searching for their loved ones 25 years after Guatemala's armed conflict ended.

BBC Moscow correspondent Sarah Rainsford gets rare access to the Russian military base, known as Arctic Trefoil.

Long lines for government-subsidised poultry have been seen in cities and towns across Iran.

Eleanor Tattersfield sent out postcards asking people to divulge their lockdown secrets.

A selection of striking images from our readers around the world.

A young family had their computers and phones seized after, it seems, their router was hacked.

An emerging technology allows carers to remotely monitor a vulnerable relative's energy usage.

Two brothers have received a $75m payout over their wrongful 1983 murder conviction.

The poor district of Nandurbar was prepared for a deadly second wave - unlike the rest of India.

The Koori Mail, Australia's only fully Indigenous-owned and managed newspaper, is turning 30.

Phil Mickelson takes a one-shot lead into the final round of the US PGA Championship as he bids to become the oldest major winner.

Mehmet Aziz was behind one of Cyprus's most important recent achievements but few have heard of him.

Italy's Måneskin have won the Eurovision Song Contest 2021 with their entry, Zitti e Buoni.

Ladi Ladebo, who has died aged 78, was a passionate campaigner against looted artefacts.

The journalist says he is "deeply sorry" to Princes William and Harry over the 1995 Panorama interview.

A look at some of the acts who performed on stage at this year's show in Rotterdam.