By contrast, doctors at the World Health Organisation monitor polio with such diligence that a single case in southern India leads to the rapid mobilisation of a massive vaccination programme.

• 相反地，世界卫生组织里的医生们则会对一例小儿麻痹症勤力不已，致使印度南部一个个例都会迅速引起大规模的接种疫苗运动。