An epidemic of haemorrhagic dengue fever is spreading through San Pedro Sula, Honduras’ second city, with more than three times as many cases as last year. This form of dengue can be deadly, with children most at risk. MSF has launched an emergency response to bring down the number of children dying from the mosquito-borne disease by providing support to health authorities in the main public hospital in the northeast of Honduras, Mario Catarino Rivas public hospital.