U.S. Centers for Disease Control & Prevention (CDC) – Morbidity and Mortality Report Notes from the Field: Increase in Human Cases of Tularemia — Colorado, Nebraska, South Dakota, and Wyoming, January–September 2015 December 4, 2015 / 64(47);1317-8 Caitlin Pedati, MD1,2; Jennifer House, DVM3; Jessica Hancock-Allen, MPH1,3; Leah Colton, PhD3; Katie Bryan, MPH4; Dustin Ortbahn5; Lon Kightlinger, PhD5; Kiersten Kugeler, PhD6; Jeannine Petersen, PhD6; Paul Mead, MD6; Tom Safranek MD2; Bryan Buss DVM2,7 “Tularemia is a rare, often serious disease caused by a gram-negative coccobacillus, Francisella tularensis, which infects humans and animals in the Northern Hemisphere (1). Approximately 125 cases have been reported annually in the United States during the last two decades (2). As of September 30, a total of 100 tularemia cases were reported in 2015 among residents of Colorado (n = 43), Nebraska (n = 21), South Dakota (n = 20), and Wyoming (n = 16) (Figure). This represents a substantial increase in the annual mean number of four (975% increase), seven (200%), seven (186%) and two (70%) cases, respectively, reported in each state during 2004–2014 (2). ... See complete article: