全国已确诊33例人感染H7N9禽流感病例 9人死亡(33 Sick from Bird Flu, Death Toll Climbs to Nine)
Eastday(东方网), April 10, 2013
http://news.eastday.com/c/20130410/u1a7315519.html
Pigeon Group Plans to Vaccinate 90,000 Birds to Protect Against Bird Flu
The Age, April 10, 2013
http://www.theage.com.au/world/pigeon-group-plans-to-vaccinate-90000-birds-to-protect-against-bird-flu-20130409-2hjs2.html