CTD/MAL acknowledges the contributions made by Dr J. Lines, London School of Hygiene and Tropical Medicine, UK, and the colleagues in the World Health Organization, both at Headquarters and in the Regional Offices, to the preparation of this draft document.
The illustrations in figures 3, 6, 7, 8 and 9 are those prepared by Mrs. L. Robertson, Palmstraat 61, 1015 HP Amsterdam, The Netherlands, for the WHO publication Vector control methods for self-protection by individuals and communities by Dr J. Rozendaal (in press).