What is the full form of $AIDS$?

Which of the following viruses contains the enzyme reverse transcriptase?

In which country was $AIDS$ first reported?

How many types of enzymes are present in the core protein of the $HIV$ virus?

$A$ - $AIDS$ is caused by the $HIV$. $R$ - In $AIDS$, $HIV$ enters into helper $T$-lymphocytes.

The immune system of a person is suppressed. In the $\text{ELISA}$ test,he was found positive to a pathogen.
$(a)$ Name the disease the patient is suffering from.
$(b)$ What is the causative organism?
$(c)$ Which cells of the body are affected by the pathogen?