H7N9 avian flu

H7N9 refers to a subgroup of H7 influenza viruses that normally circulates among birds. Human infections of H7N9 have been reported in parts of China, with some people dying of severe pneumonia.

Chickens are sold in a livestock market ahead of a government-ordered halt in trading on March 1 in Kunming, Yunnan province. Photo: Reuters

On the black market trail for chicken in China

Guangdong housewife Zhang Yi makes no compromises on the quality of chicken for her Sunday family feasts.

Once a week, Zhang scours the narrow alleyways near the Wancongyuan wet market in Guangzhou’s Haizhu district.