A 35 year old man from the US and a 35 year old man from West Africa are both diagnosed with HIV. Which of the following is the most likely difference in their infections?
a: The patient from West Africa as a greater likelihood of being infected with a strain of HIV-2 than the patient from the U.S.
b: The pt. from Sub-Saharan Africa has a greater likelihood of depleting both his CD4+ and CD8+ T-cells than the patient from the U.S.
c: Both pts have a greater likelihood of infection with a strain of HIV-2 than one of HIV-1.
d: The patient from U.S. has a greater likelihood of being infected with a strain of lower pathogenicity than the patient from West Africa