The proportions of the total, global burden posed by lymphatic filariasis that occur in the areas covered by the World Health Organization's regional offices for the Americas (AMRO), Eastern Mediterranean (EMRO), Africa (AFRO), South-east Asia (SEARO) and the Western Pacific (WPRO). Burden was estimated as the number of disability-adjusted life-years (DALY) lost and is shown split, in the pie chart for each region, according to the type of mosquito responsible for transmitting the causative parasite. Reprinted with permission from Annals of Tropical Medicine and Parasitology, Vol. 96, Supplement No. 2, S3–S13 (2002).