![]() This immunological test is very sensitive and is used to detect and quantify substances, including antibodies, antigens, proteins, glycoproteins, and hormones. A slight increase in the s/co value does not necessarily indicate a problem, especially if both results are still within the negative range.Enzyme-linked immunosorbent assay (ELISA) is a labeled immunoassay that is considered the gold standard of immunoassays. Regarding the increase in the s/co value from 0.14 to 0.236, it’s important to know that these numbers can fluctuate for various reasons, such as variations in the test procedure or your body’s immune response. Some experts recommend retesting after 6 months to confirm the negative result, especially if you have ongoing risk factors or concerns. Since you took your antibody test 100 days (approximately 14 weeks) after your suspected exposure, it is likely that the result is accurate, but not definitive. ![]() The window period for most HIV tests ranges from 4 weeks to 3 months after exposure. It can take several weeks to a few months for your body to produce detectable levels of HIV antibodies. A negative result means that HIV antibodies were not detected, but it does not guarantee that you do not have HIV. The antibody test you mentioned is likely measuring the presence of HIV antibodies in your blood.
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