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Dengue fever: a worldwide crisis

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DENGUE FEVER: A WORLDWIDE CRISIS Used with permission from Microsoft Abigail Jeffers MPH Student Walden University PUBH 6165-4 Environmental Health – PowerPoint PPT presentation

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Title: Dengue fever: a worldwide crisis


1
Dengue fever a worldwide crisis
Used with permission from Microsoft
  • Abigail Jeffers
  • MPH Student
  • Walden University
  • PUBH 6165-4 Environmental Health
  • Dr. Robert P. Marino
  • Winter Quarter 2010

2
agenda
  • Expected learning outcome
  • Understand cost to society
  • Recognize impact on health
  • Develop effective control
  • Describe infection routes
  • Audience
  • WHO
  • CDC
  • Government
  • General population
  • Purpose of presentation

Used with permission from Microsoft
3
What is it?
  • Mosquito-borne viral disease
  • DENV-1
  • DENV-2
  • DENV-3
  • DENV-4
  • Endemic to Tropical regions
  • No cure
  • DHF

Used with permission from Microsoft
Center for Disease Control and Prevention.
(2010). Epidemiology. Retrieved from
http//www.cdc.gov/dengue/epidemiology/index.html
4
Cause of dengue fever
  • Bite from infected Aedes aegypti mosquito
  • Stagnant water
  • Poor surveillance
  • Poor Control
  • Poorly constructed homes
  • Solid waste disposal

Used with permission from CDC
World Health Organization. (2009). Dengue and
dengue hemorrhagic fever. Retrieved from
http//www.who.int/mediacentre/factsheets/fs117/en
/
5
Lifecycle of aedes aegypti
Used with permission from Hopp Foley, 2001
6
Endemic regions
Used with permission from World Health
Organization. (2009). Dengue and dengue
hemorrhagic fever. Retrieved from
http//www.who.int/mediacentre/factsheets/fs117/en
/
7
Symptoms treatment
  • Fever 105ºF
  • Rash
  • Headache
  • Backache
  • Petechiae
  • Ecchymoses
  • Supported care
  • Acetaminophen
  • Rehydration
  • Blood pressure control
  • Transfusions

Used with permission from Microsoft
Used with permission from Microsoft
Gurugama, P., Garg, P., Perera, J., Wijewickrama,
A. Seneviratne, S.L. (2010). Dengue Viral
Infections. Indian J Dermatol, 55(1)68-78. DOI
10.4103/0019-5154.60357
8
prevalence
  • 100 million cases per year

Used with permission from Microsoft
Center for Disease Control and Prevention.
(2009). Dengue Fact Sheet. Retrieved from
http//www.cdc.gov/dengue/faqFacts/fact.html
9
incidence
  • 2.5 billion people
  • 2/5 of the world's population
  • 500,000 DHF cases
  • 120 million travellers

Used with permission from Microsoft
World Health Organization. (2011). Dengue/dengue
hemorrhagic fever. Retrieved from
http//www.who.int/csr/disease/dengue/en/
10
morbidity
  • Children
  • Elderly

Used with permission from Microsoft
Schwartz, E., Weld, L.H., Wilder-Smith, A., von
Sonnenburg, F., Keystone, J.S., Kain, K.C.,
Torresi, J. Freedman, D.O. (2008). Seasonality,
annual trends, and characteristics of dengue in
ill returned travelers, 19972006. Emerging
Infectious Diseases, 14(7)1081-1088. DOI
10.3201/eid1407.071412
11
mortality
  • 2.5 of children
  • gt20 w/o proper treatment
  • 22,000 deaths per year

Image shows the gut of a mosquito filled with
blood during feeding. Used with permission from
CDC
Center for Disease Control and Prevention.
(2010). Epidemiology. Retrieved from
http//www.cdc.gov/dengue/epidemiology/index.html
12
outbreaks
  • 2007 Venezuela
  • 2007 Puerto Rico
  • 2008 Brazil
  • 2009 Cape Verde
  • 2010 The Americas

Used with permission from Google images
Ribeiro, P. (2009). 2008 Dengue fever outbreak in
Rio de Janeiro . Retrieved from
http//gobrazil.about.com/od/denguefeverinbrazil/a
/denguerio.htm
13
Cost to society
  • Funds availability
  • Decreases GDP
  • Economic strain
  • 1.8 billion annually
  • Loss of income

Used with permission from Microsoft
Center for Disease Control and Prevention.
(2009). Dengue Fact Sheet. Retrieved from
http//www.cdc.gov/dengue/faqFacts/fact.html Guble
r, D.J. (2006). Dengue/dengue hemorrhagic fever
history and current status. U.S. National Library
of Medicine, 2773-16. Retrieved from
http//www.ncbi.nlm.nih.gov/pubmed/17319151 Suaya,
J.A., Shepard, D.S., Siqueira, J.B., Martelli,
C.T., Lum, L.C., Tan, L.H., Kongsin ,S., Jiamton,
S,. Garrido, F., Montoya ,R., Armien, B., Huy,
R., Castillo, L., Caram, M., Sah, B.K., Sughayyar
,R., Tyo, KR. Halstead, S.B. (2009). Cost of
dengue cases in eight countries in the Americas
and Asia a prospective study. American Journal
of Tropical Medicine Hygiene, 80(5)846-855.
Retrieved from http//www.ncbi.nlm.nih.gov/pubmed/
19407136
14
Prevention and control
  • Eradicating the mosquitoes
  • Eliminating stagnant water
  • Use of mosquito pesticide
  • Testing of blood products

Used with permission from Microsoft
Gurugama, P., Garg, P., Perera, J., Wijewickrama,
A. Seneviratne, S.L. (2010). Dengue Viral
Infections. Indian J Dermatol, 55(1)68-78. DOI
10.4103/0019-5154.60357
15
challenges
  • Community involvement
  • Physicians knowledge
  • Increased air travel
  • Urbanization

Used with permission from Microsoft
Center for Disease Control and Prevention.
(2009). Dengue Fact Sheet. Retrieved from
http//www.cdc.gov/dengue/faqFacts/fact.html
16
references
  • Center for Disease Control and Prevention.
    (2009). Dengue Fact Sheet. Retrieved from
    http//www.cdc.gov/dengue/faqFacts/fact.html
  • Center for Disease Control and Prevention.
    (2010). Epidemiology. Retrieved from
    http//www.cdc.gov/dengue/epidemiology/index.html
  • Gubler, D.J. (2006). Dengue/dengue hemorrhagic
    fever history and current status. U.S. National
    Library of Medicine, 2773-16. Retrieved from
    http//www.ncbi.nlm.nih.gov/pubmed/17319151
  • Gurugama, P., Garg, P., Perera, J., Wijewickrama,
    A. Seneviratne, S.L. (2010). Dengue Viral
    Infections. Indian J Dermatol, 55(1)68-78. DOI
    10.4103/0019-5154.60357
  • Ribeiro, P. (2009). 2008 Dengue fever outbreak in
    Rio de Janeiro . Retrieved from
    http//gobrazil.about.com/od/denguefeverinbrazil/a
    /denguerio.htm
  • Suaya, J.A., Shepard, D.S., Siqueira, J.B.,
    Martelli, C.T., Lum, L.C., Tan, L.H., Kongsin
    ,S., Jiamton, S,. Garrido, F., Montoya ,R.,
    Armien, B., Huy, R., Castillo, L., Caram, M.,
    Sah, B.K., Sughayyar ,R., Tyo, KR. Halstead,
    S.B. (2009). Cost of dengue cases in eight
    countries in the Americas and Asia a prospective
    study. American Journal of Tropical Medicine
    Hygiene, 80(5)846-855. Retrieved from
    http//www.ncbi.nlm.nih.gov/pubmed/19407136

17
References
  • Schwartz, E., Weld, L.H., Wilder-Smith, A., von
    Sonnenburg, F., Keystone, J.S., Kain, K.C.,
    Torresi, J. Freedman, D.O.(2008). Seasonality,
    annual trends, and characteristics of dengue in
    ill returned travelers, 19972006. Emerging
    Infectious Diseases, 14(7)1081-1088. DOI
    10.3201/eid1407.071412
  • Ugonabo, N., Valdovinos, C. (2008). Assessing
    the impact of treatment of septic tanks with
    expanded polystyrene beads on Aedes aegypti
    larval and adult mosquito emergence. Retrieved
    from http//www.stanford.edu/group/parasites/ParaS
    ites2008/Nkem_Cristina20Valdoinos/ugonabon_valdov
    inosc_dengueproposal.htm
  • World Health Organization. (2009). Dengue and
    dengue hemorrhagic fever. Retrieved from
    http//www.who.int/mediacentre/factsheets/fs117/en
    /
  • World Health Organization. (2011). Dengue/dengue
    hemorrhagic fever. Retrieved from
    http//www.who.int/csr/disease/dengue/en/

18
supplemental reading
  • Ballenger-Browning, K.K. Elder, J.P. (2009).
    Multi-modal Aedes aegypti mosquito reduction
    interventions and dengue fever prevention.
    Tropical Medicine and International Health,
    14(12)1542-1551. doi10.1111/j.1365-3156.2009.023
    96.x. Use the Walden Library Academic Search
    Premier database, and search using the articles
    Accession Number 2010496140
  • National Institute of Allergy and Infectious
    Diseases. (2009). Dengue Fever.
    http//www.niaid.nih.gov/TOPICS/DENGUEFEVER/RESEAR
    CH/Pages/Default.aspx

19
Thank you!!!
I sincerely appreciate the time that you have
devoted to my presentation. If you have any
questions, I will be happy to answer them.
Used with permission from Microsoft
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