In which country was $AIDS$ first reported?

The full form of $AIDS$ is:

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

Assertion $A$: $AIDS$ is a severe,incurable,infectious,and fatal disease.
Reason $R$: $HIV$ causes deficiency of the immune system in the body.
Which option is correct for Assertion $A$ and Reason $R$?

Which method is used for the diagnosis of $AIDS$?

Choose the wrong statement regarding $AIDS$.