Breadcrumb ... Home Faculty and Staff Directory Martha Ohnstad Senior Microbiologist, Virology Email 605-688-5171 Mailing Address: Animal Disease Ä¢¹½´«Ã½ 1153 Veterinary & Biomedical Sciences-Box 2175 University Station Brookings, SD 57007 Office Location: Animal Disease Ä¢¹½´«Ã½ and Diagnostic Laboratory Room 1153 Back to Directory Associated Areas Animal Disease Ä¢¹½´«Ã½ and Diagnostic Laboratory Department of Veterinary and Biomedical Sciences College of Agriculture, Food and Environmental Sciences