China reports 4 more H7N9 infections

Four people in East China’s Jiangsu Province have been confirmed as being infected with the H7N9 bird flu. This brings the official number of infections in the country to seven.
The provincial health bureau says the four people, all in different cities, are in critical condition and are undergoing emergency treatment. The expert team says no epidemiological link has been identified between these four cases at present. And people in close contacts with the infected have not been found to have fever or respiratory illness.
China reported three H7N9 bird flu cases on Sunday, two in Shanghai and one in Anhui Province. They are the first known human infections of the new strain. The two in Shanghai have died. The one from Anhui is in critical condition and being treated in Nanjing, capital of Jiangsu.