Shanghai tests show H7N9 bird flu in chickens
H7N9 discovered in Shanghai samples as live poultry markets are closed; sixth death confirmed, but tests on first suspected HK case are negative

Chicken samples in Shanghai were revealed last night to be infected with the H7N9 virus.
It prompted the agriculture ministry to increase checks for the deadly strain of bird flu as the city temporarily closed live poultry markets and suspended live bird sales elsewhere.
Click on each balloon for more information on individual patients infected with the avian flu virus: blue, patients infected with the H7N9 virus under treatment; red, those infected with H7N9 who have died; and pink, those infect with the H1N1 avian flu virus.
The news came after the disease claimed its sixth mainland victim, while tests on the first suspected case in Hong Kong proved negative.
The ministry said last night that 10 chicken samples from two markets in the Minhang district of Shanghai and at the Huhuai Farm Products Market in the adjacent Songjiang district had tested positive for H7N9.