PLEASE NOTE: EDIT CONTAINS CONVERTED 4:3 MATERIAL<br/> <br />As experts continue investigating a deadly strain of bird flu in China, the virus has now been found outside the mainland for the first time.<br/> <br />A businessman from Taiwan has contracted the H7N9 strain of infection, which has killed at least 22 people in China.<br/> <br />Health officials say the 53-year-old picked up the virus while travelling in China.<br/> <br />He was hospitalised three days after returning, and is now in a critical condition in hospital.<br/> <br />As measures are taken to deal with the infection, Taiwan says a special out-patient clinic is being set up.<br/> <br />The World Health Organisation said on Wednesday (April 25) that the H7N9 strain is "one of the most lethal" of its kind.<br/> <br />In China, at least 109 people have now contracted the infection since it was first detected in March.
