Dr Johannes Sommerfeld, TDR scientist and research manager

News Hour:

Dengue is a major public health problem throughout Latin America, particularly in cities. At the same time, Chagas disease is persisting and re-emerging in different rural ecological zones of the continent, notably in the Northern Cone of Latin America and Central America. Environmental management is particularly important for controlling these diseases.

This TDR project is based on IDRC’s ecohealth approach and combines research on the vectors that carry the diseases with multi-stakeholder engagement. We call this eco-bio-social research, and the approach has provided evidence that a new environmental and community approach can in fact not only reduce vector densities but empower communities to tackle the social and environmental determinants that render them at risk for vector-borne diseases.


We have been pleased to work with the Ecosystem and Human Health Program of Canada’s International Development Research Centre (IDRC) to develop and implement this extensive multi-country project, and with the Pan American Health Organization (PAHO), who are helping to transition the research evidence into policy and practice.

Rafiuzzaman Sifat

Md. Rafiuzzaman Sifat, a CSE graduate turned into journalist, works at News Hour as a staff reporter. He has many years of experience in featured writing in different Bangladeshi newspapers. He is an active blogger, story writer and social network activist. He published a book named 'Se Amar Gopon' inEkushe boi mela Dhaka 2016. Sifat got a BSc. from Ahsanullah University of Science & Technology, Bangladesh. He also works as an Engineer at Bangla Trac Communications Ltd. As an avid traveler and a gourmet food aficionado, he is active in publishing restaurant reviews and cutting-edge articles about culinary culture.
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