A recent report published by the agency on the health consequences of El Niño forecasts a rise in vector-borne diseases, including diseases spread by mosquitoes – which also include dengue and chikungunya – in Central and South America, particularly in Ecuador, Peru, Paraguay, Uruguay, Brazil and Argentina. Severe drought, flooding, heavy rains and temperature rises are all known effects of El Niño – a warming of the central to eastern tropical Pacific Ocean.
