New polio vaccine that targets mutated virus is safe and effective, research shows –

A health worker administers polio vaccine to a girl in Karachi, Pakistan CREDIT: KM Chaudary/AP

A new type of polio vaccine developed to stop outbreaks of the disease caused by mutations in the existing immunisation is safe and generates a good immune response, research in the Lancet has shown.

The rapid rise of so-called vaccine-derived polio outbreaks has become an alarming problem for the decades-long campaign to eradicate the disease.

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