.Publisheru00e2 $ s note Springer Nature stays neutral when it come to jurisdictional insurance claims in published charts and institutional affiliations.This is a review of: Sun, K. et cetera. SARS-CoV-2 correlates of protection coming from infection versus variations of worry. Nat. Med. https://doi.org/10.1038/s41591-024-03131-2 (2024 ).