El Niño conditions in Pacific precedes dengue fever epidemics in South Asia

Researchers have found a strong association between El Niño-Southern Oscillation conditions in the Pacific to observed weather and dengue epidemics in Sri Lanka. According to a study , el Niño activity – measured in sea surface temperature in the pacific – impacts rainfall and temperatures in Sri Lanka and thus contributes to exacerbated dengue epidemics six months later.

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