Epidemiology of HIV and sexually transmitted infections in China.

As the most populous country in the world, China has been confronted with the huge challenges that HIV and sexually transmitted infections pose. The HIV infection rate among adults is lower than 0.1%, however, the estimated number of HIV infections sits around one million, according to the estimation of some experts. HIV infection is highly prevalent in some regional areas of China and the incidence rate of sexually transmitted infections has sharply increased since the 1980s. The number of HIV infections may reach 10 million if no effective measures are taken. This article aims to outline the profile of the epidemic in China as well as to elaborate on the contributing factors and the response of the government and community.