Saima May Sidik A man is swabbed for SARS-CoV-2 in New Zealand, where the BA.2 subvariant on the rise. Credit: Adam Bradley/SOPA Images/LightRocket/Getty Good news for the pandemic-weary: a study1 shows that previous infection with the widely circulating BA.1 version of the Omicron coronavirus variant provides strong protection against its relative BA.2, which is growing in...
