Scientists want stricter control of bird markets

Experts say different varieties of poultry should be kept separately

Rigorous management of live poultry markets is vital to controlling the risk of infection from the bird flu, scientists said recently.

"The H7N9 outbreak lineage has spread over a large geographic region and is prevalent in chickens at live poultry markets, which are thought to be the immediate source of human infections," according to an article published in the journal Nature on Aug 21.