Cerebral malaria is caused by
Plasmodium vivax
Plasmodium ovale
Plasmodium falciparum
Plasmodium malariae
One of the inflammatory reaction induced by histamine is
Human immunodeficiency virus is a/an
Which of the following toxic substance is responsible for the chill and high fever recurring every three to four days in malaria?
$A$ : Vaccine against $AIDS$ has not been made inspite of repeated attempts.
$R$ : $HIV$ has the ability to get mutated to form several subtypes.