New York Times: Clues in a Disease Spreader’s Reaction
“…According to research recently published in the journal Parasites and Vectors, the Leishmania parasite affords infected sand flies some immunity against bacterial disease. In other words, what humans experience as a pathogenic invader acts as a probiotic protector for flies — a discovery with potential ramifications for fighting the spread of leishmaniasis…” (Nuwer, 8/25).