Public Health

Disease and ecology

Print edition : July 25, 2014

A woman with typhus symptom being carried downhill from Vazhaippadi to the nearest primary health centre at Kammanthurai, a distance of 10 kilometres away, in Tamil Nadu. Afile picture. Photo: THE HINDU ARCHIVES

Mosquito larvae in a drain near Vyttila junction in Kochi, Kerala. Changes in the natural ecology, or activities associated with it, have provided new habitats for malaria vectors. Photo: Vipin Chandran

At the Uskapalli hamlet in Chitrakonda block, Malkangiri district, Odisha. Nine children died here owing to a fever suspected to be Japanese encephalitis, in November 2012. Photo: C.V. Subrahmanyam

The Health Department of Puducherry carrying out fogging at the Upplam ground after the outbreak of chikungunya in August 2006. Photo: T. Singaravelou

Many parasitic diseases occur as a result of changes in the ecosystem and human behaviour; hence, an understanding of the role of the environment is essential to control vector-borne diseases.
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