Fig. 2: Incidence of SARS-CoV-2 reinfection.
From: Immune histories and natural infection protection during the omicron era

Cumulative incidence in the studies comparing the incidence of SARS-CoV-2 reinfection between a the omicron double-infection cohort and the omicron single-infection cohort, b the omicron double-infection cohort and the pre-omicron-omicron double-infection cohort, and c the pre-omicron-omicron double-infection cohort and the omicron single-infection cohort.