SHANGHAI, CHINA (CNN) - The international community is on alert to deal with a new strain of deadly bird flu.
China now has 11 total cases that has killed 6 people so far. Shanghai's Municipal Press Office says they are temporarily closing all live poultry markets in the city starting Saturday. Authorities say the H7N9 strain of bird flu was found in pigeons on sale in the city.
They're not trying to track where the infected pigeons came from.