b'PHILADEPHIA\\u2014A way of making malaria control more effective was proposed at the American Society of Tropical Medicine and Hygiene annual conference in Philadelphia, namely: to target the most concentrated areas of infection \\u2014 known as malaria hot-spots. Jacklin Mosha from Tanzania, and Teun Bousema from the London School of Hygiene and Tropical Medicine discussed the evidence for using this strategy with Peter Goodwin.'