Which of the following diseases is both infectious and fatal?

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 $DNA$.

The replication of a retrovirus is shown below. Which enzyme is responsible for the process labeled $P$?

What are the full forms of $PMNL$ and $ARC$?

Which of the following is a preventive measure for $AIDS$?

The technique used to detect $HIV$ in a suspected $AIDS$ patient during the asymptomatic stage is