What is a "congenital" condition and how does it occur?

The anomalies that is associated with a person from birth.

Explanation:

A child who is suffering from a congenital disease can be defined as a person who is experiencing a disorder from birth.

This condition occurs when there is a germ line mutation or somatic mutation in is experienced from birth which the disorder  the throughout the whole life if not cured.  

It can also occur due to expose of radiation during pregnancy, exposure to chemicals or medications.

Example: cleft lip or palate, neural tube defect, congenital heart diseases, hemophilia et cetera.

answer:

there is no cure for hiv, although antiretroviral treatment can control the virus, meaning that people with hiv can live long and healthy lives. most research is looking for a functional cure where hiv is reduced to undetectable and harmless levels in the body permanently, but some residual virus may remain. most commonly hiv-antivirals are taken also known as nucleoside/nucleotide reverse transcriptase inhibitors (nrti's).