The Anaplasmosis Building at Oklahoma State University is a specialized facility dedicated to researching and studying anaplasmosis, a common disease in cattle with worldwide distribution. Built in 1938, it is part of the university's commitment to advancing veterinary medicine and agricultural sciences. The research conducted here has led to significant breakthroughs, including developing the first successful vaccine against anaplasmosis in cattle in 1965. Located at the corner of Marvista Street and Virginia Avenue in Stillwater, the Anaplasmosis Building supports the university's mission to improve animal health and agricultural productivity through innovative research and practical applications.