Polio has been reported in Papua New Guinea

ON JUNE 8th reports of a suspected case of polio came from Venezuela. Fortunately, it turned out to be a false alarm. The report that came from Papua New Guinea on June 22nd, though, is no fiction. It was issued by the World Health Organisation and concerns not one, but three children who have tested positive for a threatening polio virus. Around the world, polio is in full retreat. A mere three countries are still known to harbour wild polio viruses. These are Afghanistan, Nigeria and Pakistan....