01
Jan
Your recent article on malaria ("Malaria prevention," Issue No. 90) has a few errors and omissions that this retired preventive medicine type noted. First, permethrin is more toxic than DEET, not less. It is actually an insecticide (of the pyrethroid class), not just a repellent, with some uses for killing lice. Uncle Sam's Army says never put it on the skin, just on the outer clothing. It does have the advantage that it is still effective after several washings. Also, way back when, we named WR-142,490 "mefloquine," with a terminal "e." On a more serious note, if you are going…