![]() China Daily | Experts Look Beyond Birds in Investigation of Flu Strain in China New York Times BEIJING — China is investigating four possible cases of human-to-human transmission of a deadly bird flu that has killed 17 people, but so far there has been “no sustained†evidence of transmission between people, the World Health Organization said ... Gene data show China bird flu mutated "under the radar" H7N9 bird flu not spreading easily in humans WHO probes possible human transmission of H7N9 bird flu |


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