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名詞

seropositivity (countable and uncountable, plural seropositivities)

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

   Antonym: seronegativity

   Coordinate term: seroconversion

   Pretest probability inversely correlates with the probability that the reported seropositivity is a false-positive.

   • 1986, Institute of Medicine, National Academy of Sciences, Confronting AIDS: Directions for Public Health, Health Care, and Research, National Academy Press, →ISBN, 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.

2. (loosely, metonymically) Seropositivity prevalence rate: synonym of seroprevalence.

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

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