A vector-borne disease is one in which the pathogenic
microorganism is transmitted from an infected
individual to another individual by an arthropod or other
agent. The transmission depends upon the attributes
and requirements of at least three different Iiving
organisms : the pathologic agent which is either a virus,
protozoa, bacteria or helminth (worm); the vector, which
is commonly an arthropod such as ticks or mosquitoes;
and the human host.peer-reviewe
