skip navigation

Skip Nav

Education Materials

AIDSinfo Glossary Search

A - Z Index

glossary a-z index

SerostatusAudio (En español)

The state of either having or not having detectable antibodies against a specific antigen, as measured by a blood test (serologic test). For example, HIV seropositive means that a person has detectable antibodies to HIV; seronegative means that a person does not have detectable HIV antibodies.