polio
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Can the WHO end its money crunch before it gets worse?
Third case of polio crops up in Nigeria as insurgency hampers fight against the disease
In death of D.A. Henderson, credited with eradicating smallpox, the world loses an intellectual giant
Nigerian helicopters rush polio vaccines to dangerous area
Polio rears its head in Nigeria, after two years with no cases
Polio-free world? Not if scientists refuse to destroy their research specimens
