seropositive

From sero- +‎ positive.

seropositive (not comparable)

1. Testing positive for a given pathogen, especially HIV (HIV positive). (of blood serum)
2. Having seropositive blood serum. (of a person or animal)
   • 1990 April 21, Robb Johnson, “AIDS Education in Guatemala”, in Gay Community News, page 4:

     They offer individual and group counseling to seropositive individuals, street outreach education, and an educational workshop series for people at risk.

   • 2004, Paul D. Griffiths, “Cytomegalovirus”, in Arie J. Zuckerman et al., editors, Principles and Practice of Clinical Virology‎^[1], 5th edition, John Wiley and Sons, →ISBN, page 108:

     Other tests (marked ‘+ +’ in Table 2C.8) are more sensitive in that they produce higher antibody titres but they do not detect substantially more seropositive individuals in a population.

• (antonym(s) of “of serum”): seronegative
• (antonym(s) of “of a person”): seronegative

• seropositivity

seropositive (plural seropositives)

1. A person with such blood serum.