Why are there so many new Omicron sub-variants, like BA.4 and BA.5? Will I be reinfected? Is the virus mutating faster?
By Sebastian Duchene, ARC DECRA Fellow, The University of Melbourne
Ashleigh Porter, Research officer, The Peter Doherty Institute for Infection and Immunity
It’s hard to keep up. But new Omicron sub-variants are emerging that may lead to reinfections and another spike in cases.
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- Thursday, May 5, 2022