The environmental aspects of dengue and chikungunya outbreaks in India: GIS for epidemic control

The dengue and chikungunya epidemics have major challenging problems and have become essentially a public health importance in India for the recent years, and it has been transmitted by the Aedes genus (Aedes aegypti or Ae. Albopictus) mosquito vectors. The huge chikungunya epidemic cases was reported in 213 districts especially in South India during 2006 and it happened in India, after 25 years period of breaks. The epidemic was showing good improvement of spatially declining trend, however, the dengue epidemics were reported from 24 states / union territories of India with 37070 cases and 227 deaths during 2012 and it steadily increased to become a very serious threat to the public.