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West Nile Virus

West Nile Virus. By Breanne Oscars & Cara Weese. Symptoms. 80% - show no symptoms <20% - develop West Nile Fever <1% - develop West Nile Encephalitis, Meningitis, & Poliomyelitis. People at higher risk for Contracting West Nile. * People over 50 years of age *Immunosuppressed Patients.

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West Nile Virus

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  1. West Nile Virus By Breanne Oscars & Cara Weese

  2. Symptoms • 80% - show no symptoms • <20% - develop West Nile Fever • <1% - develop West Nile Encephalitis, Meningitis, & Poliomyelitis

  3. People at higher risk for Contracting West Nile • * People over 50 years of age • *Immunosuppressed Patients

  4. Serious Cases of West Nile • Encephalitis- Inflammation of the brain (http://www.answers.com/topic/encephalitis?method=8) • Meningitis- Inflammation of the meninges of the brain and the spinal cord (http://www.answers.com/meningitis) • Poliomyelitis- refers to an inflammation of the spinal cord (http://www.cdc.gov/ncidod.dvbid/westnile/qa/symptoms.htm)

  5. TRANSMISSION

  6. DIAGNOSIS • *IgM Antibodies are tested for in blood or CSF • *PRNT (Plaque Reduction Neutralization Test) may need to be done to Confirm WNV. • A week or longer is needed to give PRNT results. • PRNT results are always needed in order for CDC to considers it a human WNV

  7. TREATMENT • Mild Case- • Alleviate symptoms • Severe Case- • Hospitalization • IV Fluids • Respiratory Support • Prevention of further infection

  8. PREVENTION • Apply DEET repellent to skin and clothing • Long Sleeved clothing • Remove breeding grounds • No vaccine for humans

  9. January 1st – November 1st2005 • Cases reported this year: 2581 • West Nile Fever: 1053 (41%) • Meningitis or Encephalitis: 1363 (53%) • Deaths: 83 (3%) • Not all cases are reported • Asymptomatic patients are not included in the data http://www.cdc.gov/ncidod/dvbid/westnile/surv&controlCaseCount05_detailed.htm

  10. Dealing with Dead Birds • Remove Bird Safely and Cautiously • CONTACT A PUBLIC HEALTH OFFICIAL IF A DEAD BIRD IS DISCOVERED IN YOUR AREA

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