One day after a casual sexual encounter with a bisexual man recently diagnosed as antibody-positive for human immunodeficiency virus (HIV), a patient is concerned about whether she may have become infected. A negative antibody titer is obtained. To test for seroconversion, when is the earliest you should reschedule repeat antibody testing after the sexual encounter?
1 to 2 weeks 3 to 4 weeks 6 to 12 weeks 12 to 15 weeks