We know approximately how long it may take a person to produce antibodies to HIV
based on years of data, research and advancements in testing
A person who has contracted HIV
may show up positive as early as two weeks after the time they were infected. According to page 11 of the Module 6 Training Manual from the U.S. Centers for Disease Control and Prevention, the vast majority of those who contract HIV will show up positive between 4—6 weeks after infection.