CNBC
The next Covid variant will be more contagious than omicron, but the question is whether it will be more deadly, WHO says
WHO official Maria Van Kerkhove warned against theories that the virus will continue to mutate into milder strains that make people less sick than earlier variants. The virus will continue to evolve before it settles into a pattern, said Dr. Mike Ryan, WHO's director of emergency programs. Pfizer and BioNTech...