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Thus, there are few things Westerners take for granted more than reduced child mortality, reduced death in child birth and the eradication of history’s most brutal diseases like polio and smallpox.

Nor was it ever used in vaccines against chicken pox, polio or pneumonia.

Kennedy loves to talk about "chronic disease," but doesn't mention how once-common disabling conditions like gout, rickets, polio injury, or consumption have disappeared.

Cassidy’s intent to serve as a one-man bulwark against measles, polio and dozens of other ailments may be sincere.

It presents itself as a form of paralysis which can be also caused by polio, viruses or rare neurological disease.