In particular, an increased risk of CAPD-related peritonitis has been reported in PLWH who have CD4 counts below 200 cells/mm3 at dialysis initiation.13 In the present study, HIV infection did not increase the number of peritonitis episodes, and no effect was observed for HIV positivity, viral load or CD4 count on time to first episode of peritonitis. The gene discussed is CD4; the disease is HIV infectious disease.