The Omicron variant of concern has splintered into multiple subvariants. So we’ve had to get our heads around these mutated forms of SARS-CoV-2, the virus that causes Covid-19, including BA.1 and the more recent BA.5. We’ve also seen recombinant forms of the virus, such as XE, arising by genetic material swapping between subvariants. More recently, […]
