predominantly between poultry and people. In the major Chinese cities of Shanghai,
Hangzhou, Huzhou, and Nanjing—where most human cases of infection have occurred—
live poultry markets (LPMs) were closed in April, 2013, soon after the initial outbreak, as a
precautionary public health measure. Our objective was to quantify the effect of LPM closure
in these cities on poultry-to-person transmission of avian influenza A H7N9 virus. Methods …
Background: Transmission of the novel avian influenza A H7N9 virus seems to be
predominantly between poultry and people. In the major Chinese cities of Shanghai,
Hangzhou, Huzhou, and Nanjing-where most human cases of infection have occurred-live
poultry markets (LPMs) were closed in April, 2013, soon after the initial outbreak, as a
precautionary public health measure. Our objective was to quantify the effect of LPM closure
in these cities on poultry-to-person transmission of avian influenza A H7N9 virus. Methods …