Mar 29, 2021
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Virologist spoke about the causes of errors in the test results for COVID

Alexei Agranovsky, professor of the Department of Virology, Faculty of Biology, Moscow State University, told the Moscow 24 TV channel how often false positive tests for coronavirus are encountered, as well as the reasons for the erroneous result.

The scientist stressed that the so-called false positive tests are extremely rare. Laboratory contamination can be the cause. According to Professor Agranovsky, PCR tests have such a high sensitivity that “even a slight contamination can give a positive.” The virologist once again noted that the likelihood of a false result is very low.

But if the patient doubts, the scientist advised to take the test again at another institution, in addition to this, check for the presence of antibodies to infection. The latter will answer the question of whether a person has suffered from the disease. “Antibodies, as a rule, do not coexist with coronavirus,” the virologist summed up.

Earlier it was reported that Russian scientists have created and registered the country’s first PCR test for the diagnosis of malaria. It has a high analytical sensitivity, which makes it possible to detect infection even at a low level of infection, as well as in the incubation and initial periods of the disease.

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