The Zoonosis Control Branch (ZCB) promotes public health through the prevention and control of zoonotic diseases, which are diseases transmitted to humans from animal reservoirs.  Zoonotic diseases encompass many of the most dangerous disease threats to humans and, worldwide, make up approximately two-thirds of emerging diseases.  A majority of the Category ABC bioterrorism agents are also zoonotic pathogens.  Zoonoses present in Texas include anthrax, hantavirus, Lyme disease, plague, rabies, tularemia, West Nile virus, and many others.