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

Arrange the following statements regarding $AIDS$ in the correct chronological order of the infection process:
$(1)$ After entering the individual's body,the $HIV$ virus enters macrophages,where the viral $RNA$ genome replicates into viral $DNA$ with the help of the reverse transcriptase enzyme.
$(2)$ $HIV$ enters helper $T$-lymphocytes.
$(3)$ $HIV$ has an $RNA$ molecule as its genetic material.
$(4)$ Newly formed viruses are released into the blood and attack other helper $T$-lymphocytes.
$(5)$ Viral $DNA$ is incorporated into the host cell's $DNA$.

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

What is $AIDS$? How does $AIDS$ spread? Mention the symptoms of $AIDS$. Is there a cure for $AIDS$?

$AIDS$ Day is observed on:

The cause of $AIDS$ is ..........