Mosquito Problem!!!

Whether or not that is success or failure depends on how you look at it.

In 2000, when the World Health Organisation endorsed treated nets as a weapon against malaria, fewer than 2 per cent of African children had them.

So even though coverage has increased sharply, 90 million children are still unprotected.

The study’s authors, from Oxford University, are based in Kenya and sponsored by the Wellcome Trust. They collected survey data in regions of 40 countries.