seropositivity

Etymology
From, or.

Noun

 * 1) The quality or state of being seropositive, of having blood serum that tests positive for a given pathogen, especially HIV.
 * 2) * 1986, Institute of Medicine, National Academy of Sciences, Confronting AIDS: Directions for Public Health, Health Care, and Research, National Academy Press, ISBN 978-0-309-03699-3, page 127:
 * As discussed above, because of the severe consequences of HIV infection, a few states have required that ARC and even seropositivity be reported.
 * 1) Seropositivity rate, seroprevalence.