Climate change and disease
emergence
Barbara Szonyi, Bernard Bett and Delia Grace
International Livestock Research Institu...
ILRI and CGIAR research programs
Dryland Cereals
Grain Legumes
Livestock and Fish
Maize
Rice
Roots, Tubers and Bananas
Whe...
ILRI Resources
• Staff: 700
• Budget: $60 million
• 30+ scientific disciplines
• 120 senior scientists from 39 countries
•...
Vector-borne diseases and climate change
 What are the most climate-sensitive diseases and why?
 The most climate-sensit...
Vector-borne diseases of livestock in sub-Saharan Africa
 What is the importance of VBDs in livestock in Sub-Saharan Afri...
Risk mapping as a useful tool for forecasting

Kenya

Tanzania

Potential RVF hotspots in eastern Africa (predictions at 1...
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Climate change and disease emergence

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Presentation by Barbara Szonyi, Bernard Bett and Delia Grace at an Ethiopian Health and Nutrition Research Institute (EHNRI) and Institute of Development Studies (IDS) workshop on climate change adaptation and nutrition with gender perspective in Ethiopia, Addis Ababa, Ethiopia, 30 October 2013.

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Climate change and disease emergence

  1. 1. Climate change and disease emergence Barbara Szonyi, Bernard Bett and Delia Grace International Livestock Research Institute Ethiopian Health and Nutrition Research Institute (EHNRI) and Institute of Development Studies (IDS) workshop on climate change adaptation and nutrition with gender perspective in Ethiopia 30 October 2013 Dreamliner Hotel, Addis Ababa, Ethiopia
  2. 2. ILRI and CGIAR research programs Dryland Cereals Grain Legumes Livestock and Fish Maize Rice Roots, Tubers and Bananas Wheat Climate Change, Agriculture and Food Security Forests, Trees and Agroforestry Water, Land and Ecosystems Integrated Systems for the Humid Tropics Aquatic Agricultural Systems Dryland Systems Policies, Institutions and Markets Agriculture for Nutrition and Health
  3. 3. ILRI Resources • Staff: 700 • Budget: $60 million • 30+ scientific disciplines • 120 senior scientists from 39 countries • 56% of internationally recruited staff are from 22 developing countries • 34% of internationally recruited staff are women • Large campuses in Kenya and Ethiopia
  4. 4. Vector-borne diseases and climate change  What are the most climate-sensitive diseases and why?  The most climate-sensitive diseases are those that are transmitted by arthropod vectors (VBD)  mosquitoes, ticks and flies  Distribution of vectors highly depends on climate; in turn disease distribution depends on vector distribution  Changes in climate alters vector distribution, which in turn changes distribution of disease  Which climatic factors are the most important in distribution of vectors and VBDs?  Temperature and humidity play a major and complex role in vector survival and development  How do temperature and humidity affect distribution of vectors and VBDs?  Effect of temperature is difficult to generalize: increase in temperature may expand or contract current range of vector  Increase in temperature may increase rate of maturation of immature stages; it may also increase mortality of larva as soil dries up faster  Effect of humidity: usually promotes survival by preventing desiccation
  5. 5. Vector-borne diseases of livestock in sub-Saharan Africa  What is the importance of VBDs in livestock in Sub-Saharan Africa?  Vectors and vector-borne diseases are responsible for major productivity losses in livestock  Some also affect humans  What are the most important VBDs diseases of livestock in sub-Saharan Africa?  Rift Valley fever – mosquito-borne disease  Tick-borne diseases - East Coast fever  Trypanosomiasis – transmitted by tsetse fly  What are the challenges in control and research?  Effect of climate change is often complex and difficult to predict  Majority of climate-sensitive diseases affect multiple species  Multi-disciplinary approach required with engagement of different stakeholders
  6. 6. Risk mapping as a useful tool for forecasting Kenya Tanzania Potential RVF hotspots in eastern Africa (predictions at 1x1 km)
  7. 7. ThankThank you! you!
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