 Men who have sex with men, MSM, living with HIV make up the majority of cases in the current pox outbreak. Men who had a four sexual partners in the previous three months, hour equals 1.995% CI, followed news about pox were unwilling to get them pox vaccine. Having more sexual partners in close contacts were predictors of their willingness to get vaccinated. This article was authored by Leowen Fu, Inhui Sun, Yue Li, and others.