When was $AIDS$ first reported in India?

Which cells are primarily affected by $HIV$?

In which of the following stages of $HIV$ infection do the symptoms of $AIDS$ appear?

What does the $AIDS$ virus contain?

Transmission of $HIV$ infection from an infected mother to the fetus occurs through:

In the given flow diagram,the replication of a retrovirus in a host is shown. Observe and answer the following questions.
$(a)$ Fill in $(A)$ and $(B)$.
$(b)$ Why is the virus called a retrovirus?
$(c)$ Can the infected cell survive while viruses are being replicated and released?