Map of <a href="https://en.wikipedia.org/wiki/2009_swine_flu_outbreak" class="extiw" title="en:2009 swine flu outbreak">2009 H1N1 flu outbreak</a> in Poland.
<a href="//commons.wikimedia.org/wiki/User:Santer" title="User:Santer">Santer</a>
CC BY 3.0
<p><span class="int-own-work" lang="en">Own work</span><br></p>
Map from <a href="//commons.wikimedia.org/wiki/File:POL_location_map.svg" title="File:POL location map.svg">file:POL location map.svg</a>.