Trace the events that occurs in human body to cause immuno deficiency when HIV gains entry into the body

The events that occur in human body to cause immuno deficiency when HIV gains entry into the body are following:
1.The virus after getting into the body of a person enters the macrophages.
2.The RNA replicates, and DNA is formed by reverse transcription.
3.The macrophages continue to produce virus pasticles.
4.The virus then enters the helper T-lymphocytes replicates and forms progeny virus.
5.The person becomes easily infected by bacteria like Mycobacterium, viruses and even parasites like Toxoplasma.
6.The person is unable to protect himself/herself against any infection.