Science commentator Dr Siouxsie Wiles joins Kathryn to talk about why a booster shot is important in this omicron outbreak, and the differences between the BA.1 and BA.2 strains of omicron.
Associate Professor Dr Siouxsie Wiles is the head of Bioluminescent Superbugs Lab at the University of Auckland.
Photo: Supplied, Pixabay/BeFunky
