The emergence of JN.1 is an evolutionary ‘step change’ in the COVID pandemic. Why is this significant?
ph. Lightspring/Shutterstock Suman Majumdar, Burnet Institute; Brendan Crabb, Burnet Institute; Emma Pakula, Burnet Institute, and Stuart Turville, UNSW Sydney Since it was detected in August 2023, the JN.1 variant of COVID has spread widely. It has become dominant in Australia and around the world, driving the biggest COVID wave seen in many jurisdictions