Talking about home testing for HIV

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worriedsim

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2

10

Jul 19

Partial Control Line

Hi,

I did a test yesterday in a bit of a panic and didn’t use enough blood (couldn’t get enough out) – I saw the sample travel up the strip and then a few minutes later a dark line appeared where the control line should be, but it only went 1/4 of the way across – then after shaking it a little a few minutes after that a lighter line appeared meaning that the control line covered about 3/4 the width of the strip.

No test line appeared.

How should I interpret this?

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Francesca Bard, BioSure (UK) Ltd
 Work on 11th July 2019

Hi worriedsim, a line is a line and this is a negative result. the failure to achieve a full control line could be due to the fact that the test was shaken. The sample has definitely migrated past the test line as the control line has appeared so if there were any HIV antibodies the test line would've appeared. There has to be enough blood to trigger the control line. At least you can be confident in our test as the line can only appear if the test has worked. Kindest regards Francesca Bard, BioSure (UK) Ltd

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Worriedsim
 Used on 10th July 2019

I should clarify: only a control line appeared. It covered about 3/4 of the width of the strip. The right of the control line was a darker colour (which appeared first) and the left part of the line was much lighter (this appeared later). I’m mainly worried that the control line didn’t fill the full width of the strip.

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