Laboratory-confirmed influenza A(H7N9) by date of reporting in Guangdong (black bars) and other provinces in China (white bars) from March 2013 through May 2014 and the time of conducting surveys in the urban and rural areas in Guangdong province.

<p>Laboratory-confirmed influenza A(H7N9) by date of reporting in Guangdong (black bars) and other provinces in China (white bars) from March 2013 through May 2014 and the time of conducting surveys in the urban and rural areas in Guangdong province.</p>