Introduction
HIV infections, HIV risk perception, MSM
HIV INFECTIONS
Consistent with global trends, China has experienced an increase in HIV prevalence among men who have sex with men (MSM), with the national HIV prevalence estimated to be 5.7% across 2001-2018 [Despite the high burden of HIV infections within MSM communities, HIV testing rates among MSM are low in China, and only half of MSM reported to have ever tested for HIV [To improve HIV risk perception among MSM, HIV risk assessment tools have been developed in many countries to motivate HIV testing and the initiation of pre-exposure prophylaxis (PrEP) [