Multiple choice

Which of the following diseases is caused by prions?

  1. Severe acute respiratory syndrome

  2. West Nile encephalitis

  3. Mad cow disease

  4. Dengue hemorrhagic fever

  5. Ebola hemorrhagic fever

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Mad cow disease is an infectious disease caused by prions that affect the brains of cattle.