This photo shows a colony of bacteria that is known to cause brucellosis, which is among the diseases being studied by the Biosecurity Research Institute in Manhattan. Brucellosis isn’t common in the United States, but causes fevers, weakness, anemia, headaches, depression, and muscle and joint pain. The disease is found in sheep, goats and cows and is transmitted to humans by drinking contaminated milk. It is also found in people who work around animals that have the disease. While mostly eradicated from domestic cattle in the United States, in recent years the disease has infected herds of bison and elk in Yellowstone National Park. The disease is also considered a biological warfare agent.


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