“Mortality and hospitalisation rates [for JN. 1] are not the explosive rates we saw during the Delta wave, but we’re definitely seeing an increase,” said Malvestutto. He said a jump in infections was also to be expected with the return of a regular flu season and the ongoing respiratory syncytial virus, or RSV, at a time of year when crowds gather indoors.'

https://www.ft.com/content/7d4b3629-3d0c-45bc-8aa8-eb88ab9b4ce9