COVID-19 reinfection common with BA.5 variant Subject: Science and Technology Section: Biotechnology Compared with the earlier Omicron BA.2 subvariant, currently dominant Omicron BA.5 is linked with higher odds of causing a second SARS-COV-2 infection regardless of vaccination status The researchers said 10% of BA.5 cases were reinfections, compared to 5.6% of BA.2 cases, […]