Gates tends to attack symptoms not the root cause. Handing out net's is more or less the same as handing out food which has many well known downsides. He would have done more long term good donating 1 billion to deal with corruption and setup garment factory's in Africa than everything else he has done in Africa.

Again, I don't care what he does with his own money but as soon as the Government subsidies charities efficiency is something to consider. Panama had a huge problem with the disease and it was delt with they now have 36 cases per 100,000 people vs 75,386 in Guinea. http://www.nationmaster.com/graph/hea_mal_cas_per_100-malari... And the simple truth is net's don't get you to 36 from 75,386.