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abstractpubmed· Abstract 2015· item PMID:25897624

Transmission Potential of Influenza A(H7N9) Virus, China, 2013-2014. To determine transmission potential of influenza A(H7N9) virus, we used symptom onset data to compare 2 waves of infection in China during 2013-2014. We found evidence of increased transmission potential in the second wave and showed that live bird market closure was significantly less effective in Guangdong than in other regions.