Britain’s Queen Elizabeth II speaks on coronavirus

Antibodies tend to decrease about six months after the second shot of a vaccine. Many doctors think that booster shots are the solution, but some researchers are also looking into whether T-cells can help.

The UN health body has given the new variant a name and said it is a variant of concern. The WHO urged against hasty travel curbs while it gathers more data.

Germany, the Czech Republic and the UK are the latest countries to confirm cases of the omicron variant. The new strain that was first detected in South Africa has prompted governments around the world to re-introduce travel restrictions.

The vaccine-maker's CEO says existing COVID-19 vaccines are unlikely to be as effective against omicron. Meanwhile, Japan detected its first case of the variant. Follow DW for the latest.

Dresden's famous christmas market, the Striezelmarkt, has been around for centuries. This year, the planned opening was canceled due to the high incidence rate of coronavirus infections in the state of Saxony.

The shutdown was initiated over fears of the rapid spread of the omicron variant. Meanwhile, Germany's health minister has ruled out a lockdown before Christmas. Follow DW for the latest.

US coronavirus cases on the rise: Epidemiologist Peter Chin-Hong speaks to DW

The total number of omicron cases detected in Germany rose sharply with the latest figures, which were the first to provide testing results and data from a working day after the Christmas break.

Coronavirus shutdowns are ending across Africa. Officials don't view severe curbs as a suitable tool for containing the spread. Vaccinations alone won't cut it. Now, Africans are seeking a way to live with the virus.

Health officials are worried the sheer number of new infections will once again overwhelm the Himalayan country's fragile health care system.

Which COVID-19 vaccines work longest? And what are their advantages and drawbacks?

The tennis star is prepared to miss the French Open, Wimbledon and any tournament if they require jabs. He told the BBC that he is not against vaccines but wants "the freedom to choose what you put into your body."