20250424

India's Major Vector-Borne Diseases: Causes, Carriers

Discover a detailed overview of major vector-borne diseases in India, including Malaria, Dengue, Chikungunya, Kala-azar, and more. Learn about their vectors, pathogens, scientific names. Perfect for students, health professionals, and awareness programs. Stay informed and updated on India's most common VBDs with this comprehensive guide.




Mosquito-Borne Diseases

  1. Malaria
    • Vector: Anopheles mosquitoes (e.g., Anopheles culicifacies)
    • Pathogen: Plasmodium species
    • Scientific Names: Plasmodium falciparum, P. vivax, P. malariae, P. ovale
    • Type: Protozoan parasite
    • Regions Affected: Widespread across India, especially in rural and tribal areas​
  2. Dengue
    • Vector: Aedes aegypti mosquitoes
    • Pathogen: Dengue virus (DENV)
    • Scientific Name: Flavivirus (DENV-1 to DENV-4)
    • Type: Virus
    • Regions Affected: Urban and semi-urban areas nationwide​
  3. Chikungunya
    • Vector: Aedes aegypti and Aedes albopictus mosquitoes
    • Pathogen: Chikungunya virus
    • Scientific Name: Alphavirus
    • Type: Virus
    • Regions Affected: Sporadic outbreaks across various states​
  4. Japanese Encephalitis (JE)
    • Vector: Culex mosquitoes (e.g., Culex tritaeniorhynchus)
    • Pathogen: Japanese Encephalitis virus
    • Scientific Name: Flavivirus
    • Type: Virus
    • Regions Affected: Eastern and northeastern states, including Assam, Bihar, and Uttar Pradesh​
  5. Lymphatic Filariasis
    • Vector: Culex quinquefasciatus mosquitoes
    • Pathogen: Filarial worms
    • Scientific Names: Wuchereria bancrofti, Brugia malayi
    • Type: Nematode (parasitic worm)
    • Regions Affected: Endemic in several states, including Bihar, Uttar Pradesh, and Tamil Nadu

Sandfly-Borne Disease

  1. Visceral Leishmaniasis (Kala-azar)
    • Vector: Phlebotomus argentipes sandflies
    • Pathogen: Leishmania donovani
    • Type: Protozoan parasite
    • Regions Affected: Primarily in Bihar, Jharkhand, Uttar Pradesh, and West Bengal​

Other Vector-Borne Diseases

  1. Scrub Typhus
    • Vector: Larval mites (chiggers)
    • Pathogen: Orientia tsutsugamushi
    • Type: Bacterium
    • Regions Affected: Hilly and forested regions across India​
  2. Kyasanur Forest Disease (KFD)
    • Vector: Ticks (e.g., Haemaphysalis spinigera)
    • Pathogen: KFD virus
    • Scientific Name: Flavivirus
    • Type: Virus
    • Regions Affected: Forested areas of Karnataka, Kerala, and Maharashtra