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What does it mean that the T line of an antigen test is very faded?

We gut an antigen test

The explosion of cases of ómicron (which some indications indicate that it is beginning to slow down its expansion) has meant that almost all of us have undergone a

antigen test in recent weeks. The operation of this self-diagnosis test seems simple but there is a circumstance that can lead to error or misinterpretation

of the result.

The first thing to check is that the line C (control) is well marked. It is the indicator that the test is well done.

For a case to be considered as positive in the test device line C and line T should appear .

But many times the line of the T comes out faded,

barely visible at times. How should it be interpreted?

At the beginning or end of the infection

The prospectuses of the tests that are sold in pharmacies make it abundantly clear: it is positive. If the T line appears not as well defined as the C line, it may mean that the patient is at the beginning or end of the infectious process, so they would have a lower viral load.

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But let it be clear: it is positive, and you have to proceed to follow the recommendations of the health authorities in case of infection. It is recommended, however, to repeat the test after two or three days.

On this occasion, if the T line appears more visible, it means that the infection is at its height. If you don't see it, it means that the first test was carried out when the patient was already overcoming covid. It is already negative.

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