Vector
A vector is an organism, typically an insect or arthropod, that transmits diseases or parasites from one host to another, posing health risks.
Types : Common types of vector include mosquitoes, which transmit diseases like malaria and dengue fever, ticks that spread Lyme disease, and fleas that carry the bacteria responsible for the plague.
Problems: Vectors, like mosquitoes and ticks, are harmful pests as they transmit diseases such as-malaria,Lyme disease,and Zika virus.Their bites can cause severe illness and even death, posing significant health risks to humans and animals alike.