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Corona infection survived unnoticed? What experts say about it

Can Covid-19 be completely symptom-free?

“Yes, we know that some don’t feel it,” says Hannes Stockinger, Head of the Center for Pathophysiology, Infectiology and Immunology at MedUni Vienna. What percentage of those infected in Austria applies, “you can’t say yet”. Asymptomatic people can only be recorded if they can be tested across the board. “On the one hand, antibody tests are currently just being tested (see below), on the other hand, blood has to be drawn. So it’s a more complicated, invasive process, and a simple nose-stick isn’t enough. “

Would you have been contagious in this case without symptoms?

“Of course, asymptomatic people are carriers and excretors of the virus. We know this from PCR tests, in which a smear is taken in the nose and throat. If that virus if it can be demonstrated, it also means that the person being tested can excrete it by using droplets when speaking, “says Stockinger.

Are antibody tests advisable out of curiosity?

Experts warn against hasty tests to find antibodies in the blood and thus survived infection To prove: “There are tons of antibody tests. Most of them are unusable, they determine antibodies against SARS-CoV-2 too imprecisely,” says the infectiologist Heinz Burgmann, MedUni Vienna. Evaluate available procedures “to filter out those that demonstrate what is essential.” And further: “We would like to have an antibody test that we can already use across the board, but the topic is complex. We expect that by the end of April we will be ready to provide a reliable test. It will certainly be offered by various companies in the near future, although the question of availability will also have to be clarified. “

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