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Update news poultry markets
Four more human H7N9 cases in China
China reported four more human H7N9 virus infections on Tuesday, including one death.
New H7N7 bird flu strain found in chickens in China: study
A new strain of bird flu that can infect and kill animals has been discovered in chickens in poultry markets in China, according to a new study published on Wednesday in the journal Nature.
