Now that the price of antigen tests has been standardized, these continue to be one of the most demanded products in any business today. Of course, in your case only possible to acquire in pharmacies, knowing how it works is essential to be able to detect a possible contagion of coronavirus.
Despite the fact that it seems that it has already passed, with the end of the Christmas festivities, when demand increased to the point of not having test stock in pharmacies, antigen tests continue to be the most sought after day by day. . Some tests that anyone can do at home, and with which they can know for sure if they have contracted covid-19 or not.
And it is that despite the fact that the result can even determine a sick leave, this is not 100% real. For this reason, a more demanding test is recommended, such as the PCR carried out in a health center, in order to clarify whether a person is at their highest peak of contagion or has already overcome the disease.
What does it mean that the stripe is almost invisible in an antigen test?
A positive or negative that is determined to have an antigen test. While a ‘C’ (control) must be fixed to show that the test has been done correctly, if it does not appear it is considered invalid, the other, ‘T’ (test) is what determines the presence of SARS-CoV-2 .
In this way, if it is reflected, it is considered that a person has coronavirus records, but it is possible that this line is almost imperceptible. A positive also, in the eyes of the test, but which marks that the existence of covid-19 in the body is minimal.
In other words, it generally reflects that the person is already practically negative, has a low viral load and little contagious capacity, but must still be quarantined as a precaution. In these cases, it is recommended to repeat the test after about 24 hours, to confirm if the line has already disappeared and therefore the disease has been overcome.
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