Vector is living organisms that can transmit infectious diseases between humans or from animals to humans.Many of these vectors are bloodsucking insects which ingest disease producing microrganisms during blood meal from an infected host either human or animal and later injected it into a new host during their subsequent blood meal. Mosquitoes are best known disease vector. Half of the world population is infected with the Vector borne infectious disease, such as Malaria, Dengue fever, Yellow fever and plaque. Examples:DiseaseVectorHostSymptomsAreaTreatmentMalariaMosquitoPlasmodiumHeadache, Heavy feverSub tropicsPrevention and AntimalariaDengueMosquitoFlavivirusFever, Heavy Body painSub tropics and South EuropeSupportive Treatment and under observation Solution Vector is living organisms that can transmit infectious diseases between humans or from animals to humans.Many of these vectors are bloodsucking insects which ingest disease producing microrganisms during blood meal from an infected host either human or animal and later injected it into a new host during their subsequent blood meal. Mosquitoes are best known disease vector. Half of the world population is infected with the Vector borne infectious disease, such as Malaria, Dengue fever, Yellow fever and plaque. Examples:DiseaseVectorHostSymptomsAreaTreatmentMalariaMosquitoPlasmodiumHeadache, Heavy feverSub tropicsPrevention and AntimalariaDengueMosquitoFlavivirusFever, Heavy Body painSub tropics and South EuropeSupportive Treatment and under observation.