'Christina Pagel, a professor of operational research at University College London, said a new wave of Covid appeared to be under way – possibly driven by waning immunity, new variants of Omicron, and factors including poor weather keeping people inside.'

https://www.theguardian.com/world/2023/aug/05/uk-almost-flying-blind-on-covid-this-autumn-experts-say?CMP=Share_AndroidApp_Other