781 cases. According to the literature it is known that as of 2017 the cumulative number of people infected with HIV in Yingkou Yingkou City was 781 cases.Of the 781 cases of HIV/AIDS registered in Yingkou City from 2012-2017, the total number of people in Mackerel District and Dashiqiao City was the highest and the infection/prevalence rate was the highest year by year, and the number of people registered had decreased by 2017. AIDS (AIDS), also known as acquired immunodeficiency syndrome, is a syndrome triggered by infection with the human immunodeficiency virus (also known as the AIDS virus, or HIV).