Author Question: The oldest evidence of human infection by HIV is an HIV-positive blood sample taken from a West ... (Read 78 times)

drink · **on:** Jul 10, 2018

The oldest evidence of human infection by HIV is an HIV-positive blood sample taken from a West African patient in 1959.

Indicate whether the statement is true or false

Question 2

In Colorado, infant deaths are about twice as common above 8,200 feet as at lower elevations.

Indicate whether the statement is true or false