T-cell under attack by HIVs. T-cells are part of the immune system, and perform functions such as the detection and destruction of cancerous cells. HIV causes AIDS by de-activating the body’s immune system – one cell at a time. HIVs are shown in blue below.
JK Rowling and her 'favourite character' Remus Lupin (Getty Images/WB) JK Rowling reveals Remus Lupin’s werewolf condition metaphor for HIV. The Harry Potter author says she wanted to draw attention to the stigma many still face.