The local shop is often the first port of call for families worried that they, or their children, have malaria. Shop keepers, with training on proper diagnosis and treatment, are capable of providing quick and effective treatment for simple cases. They can also refer more complex ones to the local health clinic. Kathleen Bosibori is one of 240 shopkeepers Merlin’s trained in Kisii, Kenya, where malaria remains the greatest health threat, especially among children under five. Photo: Jacqueline Koch