seropositivity

noun2

1. •
   The quality or state of being seropositive, of having blood serum that tests positive for a given pathogen, especially HIV.

   • Pretest probability inversely correlates with the probability that the reported seropositivity is a false-positive.
2. •
   Seropositivity prevalence rate: synonym of seroprevalence.

   • At first, the prophylaxis budgeting efforts were triaged to the areas with the highest seropositivity.