Impact of climate change on health and strategies for mitigation and adaptation.

Climate change and its negative impacts on health are now globally recognized. A wide variety of diseases and health conditions - ranging from heat and radiation-related illnesses to water and vector-borne diseases, under-nutrition, respiratory and cardiac problems, drowning, injuries and mental stress arising from extreme and sudden weather events and their resultant population displacements - all have been associated with various components of changing climate. However, the exact nature and extent of such impacts are yet to be firmly established since many other non-climate factors also produce or affect similar outcomes.

HIV transmission potential among local and migrant factory workers in Kolkata, India.

Migrant workers in India play a key role in the spread of HIV. Kolkata is a common destination for workers, who may acquire infection and transmit it to their wives and/or other sexual partners. We investigated sexual relations and condom use by factory workers.