A person who had close contact with a dead H7N9 bird flu patient in Shanghai has been under treatment in quarantine after developing symptoms of fever, running nose and throat itching, local authorities said late Thursday.

So far, China has confirmed 14 H7N9 cases -- six in Shanghai, four in Jiangsu, three in Zhejiang and one in Anhui, in the first known human infections of the lesser-known strain. Of all, four died in Shanghai and one died in Zhejiang. Endi