Disease | Agent, vector & transmission route | Hydrologic interaction | Prevention |
Malaria | Plasmodium parasite, transmitted by mosquito bites | Closely related to presence of stagnant or slow flowing water for breeding sites; affected by irrigation and water storage | Mosquito control measures including reduction of breeding sites and prevention of bites |
Dengue | Virus, transmitted by mosquito bites | Stagnant waters preferred breeding sites of mosquitoes | See above |
Zika virus | Virus, transmitted by mosquito bites | Stagnant waters preferred breeding sites of mosquitoes | See above |
Japanese encephalitis | Virus, transmitted between mosquitoes and pigs and/or water birds | Affected by agricultural production techniques, especially rice production | See above |
West Nile virus | Virus, transmitted in a mosquito-bird-mosquito cycle | Stagnant waters preferred breeding sites of mosquitoes | See above |
Yellow fever | Virus, transmitted monkey-to-monkey, monkey-to-human or human-to-human by mosquitoes | Stagnant waters preferred breeding sites of mosquitoes | See above |
Chikungunya fever | Virus, transmitted by mosquito bites | Stagnant waters preferred breeding sites of mosquitoes | See above |
Rift Valley fever | Virus, transmitted between ruminants by bites of mosquitoes | Stagnant waters preferred breeding sites of mosquitoes | See above |
Onchocerciasis (river blindness) | Parasitic filarial worm, transmitted between humans by blackfly bites | Blackflies lay eggs in fast moving rivers | See above |
Lymphatic filariasis | Parasitic filarial worm, transmitted by mosquito bites | Stagnant and polluted waters are preferred breeding sites | Mosquito control measures, sanitation improvements |