Philippines: Polio back after 19 years of being declared 'polio-free' - Gulf News
Philippines: Polio back after 19 years of being declared 'polio-free' Gulf News
Regions that reported polio surveillance dropped to 3 from 13 in 2017.
Glimpse of the Past: Polio epidemic in 1940s-1950s affected Mankato residents - Mankato Free Press
Glimpse of the Past: Polio epidemic in 1940s-1950s affected Mankato residents Mankato Free Press
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