$HIV$ decreases the natural immunity of the body by:

Which one of the following produces $AIDS$?

The first case of $AIDS$ was reported in the year .........

The presence of $HIV$ can be detected by these methods:
$(i)$ $ELISA$
$(ii)$ $WB$ $Test$ (Western Blot)
$(iii)$ $VB$ $Test$
$(iv)$ $ALISA$

Human immune deficiency virus $(HIV)$ is a retrovirus with centrally located two $ssRNA$ molecules. It is covered by an outer layer of $I$ protein and an inner layer made up of $II$ protein.

How many of the following statements regarding the transmission of $AIDS$ are correct?
$(a)$ $AIDS$ is transmitted by using the belongings of an infected person.
$(b)$ It can be transmitted through organ transplantation.
$(c)$ It can be transmitted through blood donation.
$(d)$ It can be transmitted from mother to child through the placenta.
$(e)$ It spreads through droplet infection via sneezing and coughing.
$(f)$ It is transmitted from a breastfeeding mother to her child.
$(g)$ It can be transmitted through the saliva of a patient.