Name the type of human cell HIV attacks on its entry into the body.Explain the events that occur in the cell which further lead to cause immunodeficiency syndrome

Macrophages.
Virus enters a macrophage where RNA genome of the virus with the help of reverse transcriptase,replicates to form a viral DNA ,viral DNA incorporates into host cell’s DNA ,direct indefected cells to produce virus particles,These virus particle enters the helper T-lymphocytes repeatedly to produce progeny viruses thus decreasing their number drastically.