The editorial staff of Europe 1 2:30 p.m., November 29, 2021

As Covid-19 contaminations increase, the World Health Organization estimates that the risk associated with the Omicron variant is "very high" on a global scale.

It advocates an acceleration of vaccination against Covid, in particular of the most vulnerable populations.

At the same time, the health ministers of France, the United States, Canada, Germany, Italy, Japan and the United Kingdom are today meeting in London "to discuss the evolution of the situation "of this new variant.

Subject produced by Afsané Sabouhi