Volume 20, Number 5—May 2014
Dispatch
Responses to Threat of Influenza A(H7N9) and Support for Live Poultry Markets, Hong Kong, 2013
Figure 1
![Laboratory-confirmed human cases of influenza A(H7N9) virus infection in mainland China and Hong Kong, by date of announcement, compared with timing of population surveys and public interest in influenza A(H7N9), 2013. Public interest was calculated by using Google Trends (www.google.com/trends) on the basis of internet searches on the keyword H7N9 measured by normalized relative search volume; lines show the ratio of weekly search volume on the defined keywords divided by the search volume on a](/eid/images/13-1859-F1.jpg)
Figure 1. Laboratory-confirmed human cases of influenza A(H7N9) virus infection in mainland China and Hong Kong, by date of announcement, compared with timing of population surveys and public interest in influenza A(H7N9), 2013Public interest was calculated by using Google Trends (www.google.com/trends) on the basis of internet searches on the keyword H7N9 measured by normalized relative search volume; lines show the ratio of weekly search volume on the defined keywords divided by the search volume on any keyword during the period, after normalizing the highest ratio as 1April survey was conducted in 2 phases; information was combined for these analyses.
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