Hi 12345random You should only read and interpret the result of your test within an hour of running the test. So your result is negative. Over time we know that red colouration from the red blood cells in your sample can discolour the test background and particularly the areas where the lines are sprayed. This can give rise to tests that have faint coloured lines. These lines are NOT caused by HIV infection, they are simply a by product of the sample applied. You can rely on your negative test result. I hope that this helps. If you have an image of the test you can send it to me directly at gcarpenter@biosure.co.uk and I will confirm my thinking. Kind regards Gary Carpenter BioSure (UK) Limited