#IDFridays Week 30: Brucellosis

This disease has more than six names and comes from animals

Photo Credits: City News Canada, International Business Times Nigeria

Name
Brucellosis, also known as Malta fever, Bang’s disease, Crimean fever, Gibraltar fever, Mediterranean fever, and rock fever

Transmission

  • A bacterial infection that mainly affects sheep, cattle, pigs, goats, and dogs
  • Humans can contract the disease in several ways:
    • Inhaling the airborne bacteria
    • Bacteria entering the body through skin wounds when having direct contact with infected animals (hunters, veterinarians, butchers, and people who work with livestock are especially at risk)
    • Eating or drinking infected meat or animal products such as unpasteurized/raw milk and cheese (this is the main way people become infected)
  • Person-to-person transmission is rare but can occur through sexual transmission and breast feeding

Geography
Worldwide

Incubation Period
2 – 4 weeks after infection

Signs and Symptoms

Initial symptoms include:

  • Headache
  • Fatigue
  • Fever
  • Muscle pain
  • Joint pain
  • Anorexia
  • Sweats

Additional symptoms that can persist or go away and return:

  • Recurrent fevers
  • Depression
  • Arthritis
  • Chronic fatigue
  • Swollen liver or spleen
  • Swollen heart
  • Swollen testicles

Diagnosis
Laboratory testing of blood, bone marrow, or other body fluids to detect bacteria and/or its antibodies

Treatment
Once diagnosed, antibiotics are prescribed for 6 – 8 weeks

Prognosis

  • Recovery may take a few weeks to several months
  • Death is rare, occurring in no more than 2% of all cases

Prevention: What Can You Do?

  • Only drink and eat pasteurized dairy products such as milk and cheese
  • Never eat undercooked meat
  • Animals can be vaccinated against the disease

Brucellosis In the News

Sources:
http://www.cdc.gov/brucellosis/
http://www.who.int/topics/brucellosis/en/

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