Talking about home testing for HIV

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Sero conversion

Why do some people sero convert later than others? I took a biosoure test at 6weeks and it was negative,so I am wondering if it is likely to change

1 Responses

Francesca Bard, BioSure (UK) Ltd
 Work on 19th August 2019

Hi Worriedguy2019, there is no reason why some people seroconvert later than others, it is just how individuals bodies work. At 6 weeks 95% of people would have produced the antibodies to HIV (which is very high) however at 12 weeks this increases to 99.9% which is why we say a test can only be deemed conclusive 12 weeks post exposure. Although the result is unlikely to change I would recommend retesting at 12 weeks just to put your mind at rest and put the incident behind you. Kindest regards Francesca Bard, BioSure (UK) Ltd

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