Visceral Leishmaniasis in Araatuba

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Visceral Leishmaniasis in Araçatuba

• Evaluation and Epidemiology of Visceral
  Leishmaniasis
• Ana Luiza, Daniel, Simone, Tatiana Wildo
• Examining Socioeconomic Conditions
• Amelia, Otibho Renata
• Methods of Canine Control
• Danielle, Joanna, Rei Tracy
• Methods of Diagnosis and Treatment
• Felipe, Josy, Leo, Michelle Ricky

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Introduction Visceral Leishmaniasis (VL)

• VL in the world
• 500,000 cases/yr
• 59,000 deaths/yr
• Brazil reports most cases in Latin America
• 3,500/yr
• Socio-economic trends
• 80 of victims live on lt 2/day
• Drastic increase in cases 1980-2003
• 51,222 cases reported, 10 fatality
• Brazilian Leishmaniasis Control Program (BLCP)
  est. 1950
• However, increase in VL cases continues

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Key Biological Components of Disease
Host Human
Vector L. longipalpis
Parasite L. (infantum) chagasi
Reservior dog (foxes, oppossums, etc.)
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The City of Araçatuba
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Araçatuba Demographics

• Area 1,167 km2, 530 km from Sao Paulo
• Human Pop. 179,000
• Canine Pop. 32,000 (14 dog-to-human ratio)
• 100 access to running water, sewage and waste
  disposal services (Datasus report, 2000)
• Median income R 902.68 per month
• MF median income ratio 21
• 34.6 report no income
• Education
• 85 literacy
• 6.4 lt 1 year of schooling 50.9 lt 8 years of
  schooling 30.5 11 years of schooling.

(Datasus, 2007) (Barão, 2007)
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Spread of VL in Araçatuba
Araçatuba
1997 L. Longipalpis 1998 1st dog case 1999 1st
human case
São Paulo
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VL in Araçatuba cont.

• VL incidence 11.2 cases per 100,000 persons
  (2007)
• Vector-borne Disease Control
• SUCEN divides city into 8 areas for control (5
  urban and 3 rural or semi-rural regions)
• VL initially distributed evenly (lat e 1990s)
• After establishment of the disease control
  program
• Currently, VL concentrated in peripheral regions
• Disproportionate levels of lower socio-economic
  status

(Datasus, 2007) (Barão, 2007)
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Demographics of VL cases, GVE-Araçatuba
(1999-2007)