Viruses lurk in the grey area between the living and the nonliving, according to scientists. Like living things, they replicate but they don't do it on their own. The HIV-1 virus, like all viruses, ...
This image shows the replication cycle of HIV/SIV. The virus replicates in the body's own CD4+ T helper cells. In doing so, it introduces its own genetic information into the DNA of the host cell.