Question: What is caused by the human immunodeficiency virus?? Would "HIV infection leads to low levels of CD4+ T cells through a number of mechanisms including: apoptosis of uninfected bystander cells, direct viral killing of infected cells, and killing of infected CD4+ T cells by CD8 cytotoxic lymphocytes that recognize infected cells." be a reasonable answer?
Available options: [+] No; [+] Yes;
No