Katarina Hoije And Antony Sguazzin Bloomberg

The omicron coronavirus sub-variant known as BA.2 has been found across Africa and countries should sequence more coronavirus samples so the extent of its spread can be determined, the World Health Organization said.

The omicron coronavirus sub-variant known as BA.2 has been found across Africa and countries should sequence more coronavirus samples so the extent of its spread can be determined, the World Health Organization said.