The American Society of Tropical Medicine and Hygiene (EIN: 57-0408245) is the largest international scientific organization dedicated to reducing the burden of tropical infectious diseases and improving global health, with a mission rooted in over a century of expertise since its founding in 1903. Operating with a budget of $6.1 million and generating total revenue of $7.4 million in the 2025 filing year, the organization relies on multiple funders, none of whom contribute 50% or more of its revenue. For more information, visit their website at www.astmh.org.