The first case of $AIDS$ in India was reported in:

$A$: Vaccine against $AIDS$ has not been made in spite of repeated attempts.
$R$: $HIV$ has the ability to mutate to form several subtypes.

The $HIV$ virus converts its $RNA$ into the host's $DNA$ at which location and by which enzyme?

Transmission of $HIV$ occurs by:
$I.$ Sexual contact with an infected person
$II.$ Transfusion of contaminated blood
$III.$ Sharing infected needles
$IV.$ From an infected mother to her baby through the placenta
Which of the statements given above are correct?

The presence of the $HIV$ virus was first reported in:

Which of the following can be considered as the factory of $HIV$?