Fig. 2From: SARSCoV-2 antibody prevalence and titers in persons living with HIV cared for at a large tertiary reference center in Mexico CityPrevalent and incident cases across the sampling period. Two plasma aliquots per person used for routine HIV viral load follow-up were selected for each participant from January 2020 to September 2021. The time frames of the first and second samples are shown. Bars are colored according to SARS-CoV-2 exposure group. Incident cases had a negative test in sample 1 and a positive test in sample 2Back to article page