The new variant of covid-19, Omicron, is spreading around the world. Just how infectious is the strain, and will current vaccines prove effective against it? Our experts answer your questions.
Covid-19: How dangerous is Omicron? | The Economist
The new variant of covid-19, Omicron, is spreading around the world. Just how infectious is the strain, and will current vaccines prove effective against it? Our experts answer your questions.