Several members are especially interested in diseases of humans, livestock, wildlife, and plants.
Many of these diseases are caused or transmitted by arthropods and other parasites. Interests and expertise of IAP members are of mutual benefit to various physicians and other scientists. The IAP enables persons with these types of interests to interact and focus on research and applied problems. The IAP's major research thrust deals with local, national, and worldwide questions concerning major arthropod pests, vectors of diseases, and other parasites.