west nile virus robin dasilva , ph.d student doctor of philosophy in health science
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West Nile Virus Robin DaSilva , Ph.D student Doctor of Philosophy in Health Science Public Health: Education and health promotion Walden University PUBH 8165-10: Environment Health Instructor: Dr. Howard Rubin Winter 2010. Objectives. What is WNV? Types Severity of disease Symptoms - PowerPoint PPT PresentationTRANSCRIPT
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West Nile Virus
Robin DaSilva, Ph.D student Doctor of Philosophy in Health Science
Public Health: Education and health promotion
Walden University
PUBH 8165-10: Environment Health
Instructor: Dr. Howard Rubin
Winter 2010
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Objectives What is WNV?
Types Severity of disease Symptoms Treatment
Who is at risk? How to protection yourself What to do if you suspect WNV Available resources/staying informed Brochure
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What is vector borne disease/WNV
Insect/arthropods humans or animals
dead bird or animals mosquitoes (WNV) human (CDC, 2010).
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Type of WNV There are two form
of WNV Neuroinvasive form
Affect the neurological system
Non-neuroinvasive Do not Affect the
neurological system
(MedlinePlus, 2011).
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How severe is this problem
981 reported cases, 45 case resulted death
601 neuroinvasive cases 380 Non-neuroinvasive case A few Viremic donor cases (PVDs) States with the highest incidence of
WNV Mississippi, South Dakota, Wyoming,
Colorado and Nebraska
(CDC, 2010c)
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What to look for/symptoms
Onset of signs and symptoms Symptoms includes
high fevers, headache, body ache, neck stiffness, confusion, severe generalize weakness, numbness, and paralysis
Symptoms can last for several weeks
(CDC, 2010a).
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What treatment options available
No specific treatments for WNV Symptoms resolve spontaneously. Non-neuroinvasive cases treated with OTC Neuroinvasive cases admitted to the hospital Hospitalized individuals
supportive medical and nursing care Interferon for brain infected cases
(Mayoclinic, 2010)
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Who is at risk
Aged 50 years and ≥70 at risk for severe illness Incidence increased with age Time spend outdoors Additional risk group include
surgical candidate organ transplant individuals blood transfusion
(CDC, 2010b).
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How can you protect yourself The goal is to avoid being bitten:
Decrease the amount of time spend outdoor
Use clothing which will provide most Use insect repellents
Spray clothing Repellents with the most active
ingredients Mosquito net if and when possible
Reduce the amount of mosquitoes Avoid or dispose of standing water Once or twice a week change water Ensure proper draining system
(CDC, 2010d)
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If you are suspicious/Screening
Three screening test approved by the Food and Drug Administration The Procleix West Nile Virus Assay The ProcleixTIGRIS The TapScreen WNV test
Detection of WNV DNA in the blood, tissue, and organs
Blood work/Laboratory testing (NIAID, 2010). Lumbar puncture Electroencephalography (EEG) and MRI scan
(Mayoclinc, 2010)
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How to stay inform
Public Service Announcement (PSA) CDC web site Social network Brochures
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Question, comments and concerns
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The End
Thank you
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References Center for Disease Control (CDC) (2010a). West Nile Virus: What
you need to know. Retrieved from http://www.cdc.gov/ncidod/dvbid/westnile/wnv_factsheet.htm
Center for Disease Control (CDC) (2010b). West Nile Virus: Statistics, surveillance, and control. Retrieved from http://www.cdc.gov/ncidod/dvbid/westnile/surv&controlCaseCount10_detailed.htm
Center for Disease Control (CDC) (2010c). MMWR-Morbidity and Mortality Weekly Report: West Nile Virus Activity- United States, 2009. Retrieved from http://www.cdc.gov/media/mmwrnews /2010 n10070 1.htm#1 stupor
Center for Disease Control (CDC) (2010d). West Nile Virus: Fight the bite. Retrieved from http://www.cdc.gov/ncidod/dvbid/westnile/prevention_info.htm
MedlinePlus (2010). West Nile Virus (WNV). Retrieved from http://www.nlm.nih.gov/medlineplus/westnilevirus.html
National Institute of Allergy and Infectious Diseases (NIAID) (2010). West Nile Virus: Diagnosis. Retrieved from http://www.niaid.nih.gov/topics/westNile/understanding/Pages/diagnosis.aspx
Picture were obtain from the picture with human, mosquito, bird & horse came from micro
soft clip art The picture in the brochure came from http
://www.gossipjackal.com/entertainment/2010/07/27/west-nile-virus-has-been-detected-the-mosquitoes-are-here-again/
Fight the bite pic came from http://www.emerycounty.com/weed/West%20Nile%20Information.htm
mosquito on water pic came from http://blog.redfin.com/sandiego/2008/06/west_nile_virus_hitting_san_diego_county.html
bucket pic came from http://www.maine.gov/dep/blwq/topic/westnile/