The omicron variant of the coronavirus that causes COVID-19 remains a very high risk and is spreading faster than other variants, but for now there is too little data to be certain that is more lethal, the World Health Organization said Wednesday.
The omicron variant of the coronavirus that causes COVID-19 remains a very high risk and is spreading faster than other variants, but for now there is too little data to be certain that is more lethal, the World Health Organization said Wednesday.