Avian Influenza Weekly Update Number 429 (21 April 2014)
Human infection with avian influenza A(H5N1) virus
During the reporting period 11 April to 18 April 2014, there were no new cases of avian influenza A (H5N1) in humans reported in the Western Pacific Region.
Since 2003, in total 664 cases have been reported from 16 countries worldwide, of which 391 were fatal (CFR 58.9%). Since 2003, 232 cases have been reported from 4 countries in the Western Pacific Region, of which 133 were fatal (CFR 57.3%). Among the countries in the Western Pacific Region with more than 10 reported cases, Cambodia had the highest CFR of 66.1% (37 out of 56) between 2003 and 2014, followed by China (64%) and Viet Nam (50%).