$A$ : Vaccine against $AIDS$ has not been made inspite of repeated attempts.
$R$ : $HIV$ has the ability to get mutated to form several subtypes.
Assertion and Reason both are correct and also correct explanation.
Assertion and Reason both are correct but not explanation of assertion.
Assertion is correct, but Reason is incorrect.
Both Assertion and Reason are incorrect.
The secondary host of malaria parasite is
Genetic material found in Human Immunodeficiency Virus(HIV)is
If a person shows production of interferons in his body, the chances are that he has got an infection of
Mark the correct statement
Which of the following does not cause a disease in human beings