Though some Chinese cities now use advanced testing technologies and equipment to ensure the safety of donated blood, more support from local governments is vital, health experts said.

According to a recent report by the central blood bank in Dongguan, Guangdong province, the number of blood donors diagnosed as HIV-positive has been rising in recent years.

Ten of every 100,000 blood donors from 1999 to 2003 were diagnosed as carriers of the HIV/AIDS virus. But from 2008 to 2012, 34 of every 100,000 were carriers.