September 2012

hCp:// of the Month

  • A thirteen year old girl was brought to the hospital with severe headaches, neck pain, vomiting, and agitation.
  • The doctor made a tentative diagnosis: encephalitis
  • The girl did not remember being bitten by an animal
  • Serum and CSF samples were collected for testing
  • Test results revealed the girl was positive for Rabies Virus Neutralizing Antibodies (VNA)
    • She has never received the rabies vaccination or prophylaxis
    • A more detailed history revealed the girl had found a stray dog on her way home and she reported that the dog had licked an open wound
  • A diagnosis of rabies was made

hCp://www.giantmicrobes.comQuestion 1

Zoonotic agents that commonly cause encephalitis or neurological signs in immunocompetent humans include:

(Hint: it's just one!)

  • Listeria monocytogenes
  • Rabies
  • West Nile Virus
  • Borrelia burgdorferi (Lyme)
  • Toxoplasma gondii

Question 2

The best strategy for preventing rabies cases in humans is...

hCp:// 3

Human cases of rabies in the United States are usually due to bites from what animal? In India?

  • Skunks; Dogs
  • Dogs; Bats
  • Raccoons; Bats
  • Bats; Dogs

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