The origin of the Sars-CoV-2 variant that overwhelmed the planet at record speed is still a mystery. I subscribe for 1€ for the 1st monthIt appeared at the beginning of November 2021 like a devil from its box, taking the world by surprise. The Omicron variant stunned scientists. exclaims Sophie Le Poder, professor of virology at the Maison-Alfort Veterinary School and coordinator of the MuseCov scientific project, dedicated to the monitoring and evolution of coronaviruses in animals. Certainly, new coronaviruses can appear by a phenomenon called recombination, that is to say a mixture of two already existing viruses meeting in the same host.

Source: Wall Street Journal June 13, 2022 05:20 UTC