I had an interesting chat with Leigh Tally yesterday. Leigh is a Peace Corp volunteer working on malaria issues from Kisumu. I asked Leigh how progress in the region around Kisumu (Nyanza Province) compares with other places. She said substantial reduction of malaria has been reported along the coast, but it seems there is less dramatic reduction in Nyanza. That struck me as a contrast with the general picture of substantial reductions in malaria cases across Africa, as declared by the World Health Organization's 2011 annual report.

Leigh and I agreed that good data is hard to obtain. She explained that while guidelines call for diagnostic testing before treating for malaria, in practice, many cases of fevers are assumed to be malaria and treated without ideal testing.