An official from the Chengdu Disease Control and Prevention Center answers questions from reporters after a press conference on May 11, 2009. One suspected case of A/H1N1 influenza was reported in southwest China's Sichuan Province, the Ministry of Health (MOH) said on Sunday. The case, the first of its kind in the Chinese mainland so far, involved a 30-year-old man who had been transferred to the Chengdu Infectious Disease Hospital for medical observation. [Xinhua]