“Omicron is dominant worldwide. We’ve got mostly BA.2 being detected around the world. We see increasing numbers of BA.4 and BA.5. We are worried about further evolution.
“#Omicron is dominant worldwide. We’ve got mostly BA.2 being detected around the world. We see increasing numbers of BA.4 and BA.5. We are worried about further evolution. So we need to be able to track that. We need governments to maintain surveillance, enhance surveillance, make sure that sequencing is taking place.” – Dr Maria Van Kerkhove, WHO #COVID19 Technical Lead