While BA.2 sublineage of the Omicron variant remains dominant in most parts of the world, World Health Organisation chief Tedros Adhanom Ghebreyesus raises concerns over subvariants BA.4 and BA.5 that are currently driving the new surge of COVID-19 infections in South Africa.Two COVID symptoms expert warns against taking lightly
While BA.2 sublineage of the Omicron variant remains dominant in most parts of the world, World Health Organisation chief Tedros Adhanom Ghebreyesus raises concerns over subvariants BA.4 and BA.5 that are currently driving the new surge of COVID-19 infections in South Africa.
