These risks were the highest in patients who had three or more infections.
The new findings challenge existing ideas that having a prior COVID infection offers strong protection against new infections.
Well, were saying here that the infection is not inconsequential.

Jason Colston / Getty Images
A sore throat and fever for a day or twoa lot of us can tolerate that.
The larger concern is the long-term ramifications of the infection, Al-Aly said.
However, based on previous reports, natural immunity from prior infections is not as robust as vaccine-induced immunity.
There are consequences of getting your immunity through infection, which this paper is starting to flesh out.
It really is sobering, he said.
It starts to tell us what the true cost of COVID-19 is.
Is There Anything We Can Do to Reduce the Risk of Reinfections?
The infection is not benign.
The study findings may prompt doctors and researchers to revise future COVID-19 strategies.
Fighting the virus should involve additional efforts in reducing the risk of getting infected, Pekosz said.
Bowe B, Xie Y, Al-Aly Z.Acute and postacute sequelae associated with SARS-CoV-2 reinfection.
Published online November 10, 2022.Nat Med.
doi:10.1038/s41591-022-02051-3
Callaway E.COVID super-immunity: one of the pandemic’s great puzzles.Nature.