Bovine Tuberculosis (Bovine TB) Overview
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Questions and Answers

How is bovine TB primarily transmitted to humans?

  • Consumption of raw (unpasteurized) milk or raw milk products (correct)
  • Consumption of cooked milk products
  • Inhalation of bacteria in the air near infected cattle
  • Direct contact with infected cattle's skin

    • Which animals can be affected by bovine TB?

  • Horses, pigs, goats, and birds
  • Cattle, deer, rhinoceros, and non-human primates (correct)
  • Cats, dogs, rabbits, and dolphins
  • Lions, tigers, bears, and elephants

    • What bacterium causes bovine TB?

  • Mycobacterium avium
  • Mycobacterium bovis (correct)
  • Mycobacterium leprae
  • Mycobacterium tuberculosis

    • How many cases of human disease is bovine TB responsible for in California each year?

    <p>Approximately 75</p> Signup and view all the answers

    What are the initial symptoms of bovine TB in humans?

    <p>Productive cough, fever, night sweats, chest pain, and loss of appetite</p> Signup and view all the answers

    In addition to cattle and deer, which other animals can be affected by bovine TB?

    <p>Rhinoceros and non-human primates</p> Signup and view all the answers

    What is the first step to determine if you’ve been exposed to bovine TB?

    <p>Have a TB skin test (TST) or an Interferon-Gamma Release Assay (IGRA)</p> Signup and view all the answers

    What does a positive TST or IGRA indicate?

    <p>Recent infection with TB bacteria</p> Signup and view all the answers

    Who should be considered for screening for bovine TB infection?

    <p>Individuals who have had close contact with animals from an infected cattle herd</p> Signup and view all the answers

    What can the TB skin test (TST) not differentiate between?

    <p>Human and bovine TB</p> Signup and view all the answers

    What does a positive TST or IGRA indicate about the patient's infection?

    <p>It is from a long time ago</p> Signup and view all the answers

    How is bovine TB infection diagnosed?

    <p>With a TB skin test (TST) or an Interferon-Gamma Release Assay (IGRA)</p> Signup and view all the answers

    In addition to a TST or IGRA, what other tests might patients with a positive test undergo?

    <p>Chest X-ray and examination of sputum, urine, or stool</p> Signup and view all the answers

    Is bovine TB curable in humans?

    <p>Yes, it is curable with antibiotics</p> Signup and view all the answers

    What is the treatment duration for bovine TB infection and disease?

    <p>6 to 12 months</p> Signup and view all the answers

    What might lead to the development of bovine TB disease in some infected people?

    <p>All of the above</p> Signup and view all the answers

    Which of the following animals is NOT mentioned as being susceptible to bovine TB in the given text?

    <p>Leopard</p> Signup and view all the answers

    In addition to raw milk consumption, how else can transmission of bovine TB from infected cattle to humans occur?

    <p>Exposure to infected cattle's saliva</p> Signup and view all the answers

    What are the initial symptoms of bovine TB in humans, as stated in the text?

    <p>Productive cough and fever</p> Signup and view all the answers

    Which of the following is NOT mentioned as a method for diagnosing bovine TB infection in humans?

    <p>Blood Culture Test</p> Signup and view all the answers

    What is the annual number of human disease cases attributed to bovine TB in California, according to the given text?

    <p>Approximately 75 cases</p> Signup and view all the answers

    Which bacterium is mentioned as the cause of bovine TB in the given text?

    <p>Mycobacterium bovis</p> Signup and view all the answers

    What is the primary method for diagnosing bovine TB infection?

    <p>TB skin test (TST)</p> Signup and view all the answers

    How long is the typical treatment duration for bovine TB infection and disease?

    <p>6-12 months</p> Signup and view all the answers

    What tests might patients with a positive TB skin test (TST) or Interferon-Gamma Release Assay (IGRA) undergo?

    <p>Chest X-ray and examination of sputum, urine, or stool</p> Signup and view all the answers

    Who should be considered for screening for bovine TB infection?

    <p>Ranch staff, veterinarians, and other workers in contact with infected cattle herd</p> Signup and view all the answers

    What is the first step in determining exposure to bovine TB?

    <p>TB skin test (TST)</p> Signup and view all the answers

    What does a positive TB skin test (TST) or Interferon-Gamma Release Assay (IGRA) indicate about the patient's infection?

    <p>Previous exposure to TB bacteria</p> Signup and view all the answers

    Is bovine TB treatable in humans?

    <p>Yes, with specific antibiotics</p> Signup and view all the answers

    What bacterium causes bovine TB?

    <p><em>Mycobacterium bovis</em></p> Signup and view all the answers

    What are the potential additional symptoms of bovine TB disease?

    <p><em>Coughing up blood</em> and <em>night sweats</em></p> Signup and view all the answers

    Who are most at risk for developing bovine TB disease?

    <p><em>Very young or very old</em> and those with a <em>weakened immune system</em></p> Signup and view all the answers

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