A woman helps another woman put on a medical mask in front of a poster about the prevention of H7N9 bird flu virus outside National Taiwan University Hospital in Taipei April 26, 2013. A 53-year-old Taiwan businessman has contracted the H7N9 strain of bird flu while travelling in China, Taiwan's Health Department said on Wednesday, the first reported case outside of mainland China. The man was hospitalised after becoming ill three days after returning from Suzhou on April 9, Health Department Minister Wen-Ta Chiu told a news conference. Chiu said the patient was diagnosed with the H7N9 virus and was in serious condition. REUTERS/Pichi Chuang (TAIWAN - Tags: HEALTH ENVIRONMENT)