After not hearing any news in about a month, Chinese health officials are reporting four additional human cases of avian influenza A(H7N9).

According to the National Health and Family Planning Commission, the patients were four men, aged from 58 to 77 and with onset of symptoms between May 27 and June 18.  Two cases are from Anhui, one is from Zhejiang and one is from Jiangsu.

It is reported that three of them have died and one is in a serious condition.

From 2013 to date, 657 human cases of avian influenza A(H7N9) have been reported by the Mainland health authorities. Regarding the third wave in the Mainland since November 2014, a total of 217 cases have been reported including 72 in Guangdong, 45 in Zhejiang, 41 in Fujian, 22 in Jiangsu, 13 in Anhui, seven in Xinjiang, seven in Shanghai, three in Jiangxi, two in Hunan, two in Shandong, one in Guizhou, one in Hubei and one in Beijing.

In addition to the cases reported from the Mainland, imported human cases have been reported from Hong Kong-13, Taiwan-4, Canada-2 and Malaysia-1.

China /CIA
China /CIA