“At present there are a number of Omicron sub-lineages we’re following closely, including BA.2, BA.4 and BA.5 and another recombinant detected, made up of BA.1 and BA.2,” said WHO Director-General Tedros Adhanom Ghebreyesus today. That recombinant is called XE and, until today was the newest more-transmissible variant raising concern. Now there are subvariants BA.2.12 and […]
