IMED2007_Heymann.pdf - International Society for Infectious ...
IMED2007_Heymann.pdf - International Society for Infectious ...
IMED2007_Heymann.pdf - International Society for Infectious ...
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Contribution of outbreaks in re-infected<br />
areas to total children paralyzed, 2005<br />
400<br />
200<br />
000<br />
800<br />
600<br />
400<br />
200<br />
0<br />
Total<br />
Re-infected areas<br />
February 2007<br />
World Health Organization 18