The American Journal of Tropical Medicine and Hygiene is a peer-reviewed journal published monthly by the American Society of Tropical Medicine and Hygiene and consists of two complete, sequentially numbered volumes each calendar year. Journal Affiliation: The American Journal of Tropical Medicine and Hygiene is the official scientific journal of the American Society of Tropical Medicine and Hygiene (ASTMH). The Society is a nonprofit, professional organization whose mission is to promote world health by the prevention and control of tropical disease through research and education.