what is the virulence factor of aids
Etiologic Agent. Human immunodeficiency virus, or HIV, is the causative agent that can lead to acquired immune deficiency syndrome, or AIDS. Transmission. HIV can be found in an infected host s body fluids.
To determine if an individual s condition has progressed to AIDS, a CD4 T-cell count is taken from blood samples. If the CD4 T-cell count falls below 200 cells/mm 3 then a person is considered to have acquired immune deficiency syndrome and is consequently severely immunocompromised.