The National Institute of Epidemiology (NIE) was established on July 2, 1999 by merging the Central Jalma Institute for Leprosy (CJIL) Field Unit, Avadi with the Institute for Research in Medical Statistics (IRMS), Chennai.

The Institute has the distinction of being the WHO collaborating centre for epidemiology of leprosy and identified as a technical resource group for epidemiology of HIV by National AIDS Control Organization online pharmacy.

Broad objectives of the Institute cover development of human resources in epidemiology and bio-statistics, networking of the various ICMR and non-ICMR institutes at the national level for epidemiological purposes, and consultancy buy viagra.