A recent analysis of 104 mpox cases in Hangzhou, China, has highlighted a significant link between mpox-HIV coinfection in men who have sex with men (MSM) and more severe clinical outcomes. The study compared coinfected patients with those experiencing mpox alone, and also matched HIV monoinfection cases.
Mpox-HIV coinfection was associated with a greater symptom burden, with lesion pain reported more frequently. Critically, all 27 hospitalizations within the cohort, including one intensive care admission, occurred in patients with coinfection, signaling a clear increase in severity.
While most coinfected patients were on antiretroviral therapy, immune suppression remained common. Lower CD4 counts were directly linked to more severe manifestations and higher hospitalization rates.
Behavioral factors such as multiple sexual partners and frequent sexual activity were also associated with coinfection. Researchers emphasize the need to integrate surveillance and prevention strategies for both HIV and mpox in high-risk groups.
For U.S. clinicians, this data underscores the importance of documenting HIV status and recent immune markers when evaluating suspected mpox cases, especially in immunocompromised individuals where disease course can be altered.