Select the option that is related to the third term in the same way as the second term is related to the first term.

AIDS : VIRUS :: MALARIA: ?

Parasite

AIDS : VIRUS :: MALARIA: ?

The logic followed here is :

AIDS : VIRUS - AIDS is transmitted by virus. the virus is transmitted through blood ,semen ,vaginal  fluids.

Similarly

MALARIA: ?

Malaria is diseases transmitted by the bite of  an infected mosquito. when the mosquito bites a person ,the PARASITE is released into the blood steam of person