New omicron variants: What we know so far
Omicron XE, BA.4, BA.5 — there seem to be so many new omicron variants of the SARS-CoV-2 virus that it’s hard to keep track. Here’s what we know so far.
Omicron XE, BA.4, BA.5 — there seem to be so many new omicron variants of the SARS-CoV-2 virus that it’s hard to keep track. Here’s what we know so far.