Corona: contagion in secret – so dangerous are infected people without symptoms



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Coronavirus can appear without symptoms. The risk of infection should not be underestimated even with such mild disease courses.

  • Most of them Crown Cases take a step Symptoms above.
  • There is also Infections without or with subsequent signs of disease.
  • The danger of a infection not to underestimate.

Frankfurt – fever, headache, severe cough and sore throat. The Corona-symptom They are different. Only through a test is it possible to find out if a person is really familiar with the Coronavirus* infected. “Covid is like a chameleon, it has no conclusive symptoms, so we need the test, “he says Prof. Dr. Martin Scherer, Director of the Institute for General Practice at the University Medical Center Hamburg-Eppendorf, ZDF. However, there are also crown cases where none Symptoms occur or erupt later. However, people with such diseases are contagious. But what dangers does this create?

Many coronary patients suffer from fever and other cold symptoms.

© Andreas Gebert / dpa

The Robert Koch Institute it differs with regard to the data transmitted Crown infections between three groups of relevant people. Someone with symptomatic course of the disease suffer from the typical signs of infection after infection Crown such as fever, loss of taste and cough *. The Symptoms it can occur to varying degrees. According to a report from the German publishing network, this group more often transmits the virus to other people. This means that coronary sufferers with symptoms pose the greatest danger to the spread of the virus.

Possible symptoms after a coronary infection (Source: World Health Organization)
Common symptoms: Fever, dry cough, fatigue
Less common symptoms: Muscle aches, sore throat, headache
Diarrhea, loss of smell and taste
Conjunctivitis, rash, nail discoloration
Symptoms of severe disease progression: Difficulty in breathing or shortness of breath
Chest pain or pressure
Loss of speech and movement

The disease after being infected with the coronavirus can – and this is the second group of people – too presymptomatic expire. In the first few days after infection, this group of people did not show any Symptoms. Only after a few days do people suffer from cough, shortness of breath or fever. People with one Course of the disease they represent a danger even before the signs of the crown appear, because the infection is at its maximum immediately before and at the onset of symptoms, as reported by ZDF.

Corona pandemic: The onset of symptoms is not well defined

According to the Robert Koch Institute, it is blocked “A significant percentage of people” in infectious people within a day or two before symptoms appear. How large this proportion is, however, is currently not determinable, as in many studies “the onset of symptoms was not or was not well defined”.

About 20 percent of everything Crown Cases, the third group of people, the disease progresses without symptoms. This goes from a study of University of Bern emerged. However, science is currently still divided as to whether this number is truly true. There may be more people who have contracted Corona and don’t see any signs. “The study had limited ability to determine the effects of false negative test results, which increased the percentage of asymptomatic infections could be underestimated, ”reads a message on the Swiss university’s homepage. Cases of asymptomatic corona should not be underestimated, because there is still the risk of infection.

Prof. Dr. Martin Scherer is also aware that the Research with asymptomatic corona infections it is only at the beginning. “We must the Dark figure enlighten, but we need a tolerance of uncertainty, because science can’t explain everything, “he told ZDF.

What is certain is that the people who have been infected with Corona, but none Symptoms it can infect other people. Therefore, those affected should definitely go into quarantine and avoid any contact with other people. However, it is currently assumed that symptom-free cases in virus transmission tend to be a subordinate role play. This can be read in the Robert Koch Institute’s “Sars-CoV-2 profile”.

Corona: tracing contacts in the most difficult asymptomatic cases of disease

Despite the minor role of Corona cases without symptoms these should not be taken lightly. The Contact monitoring it is more difficult to deal with hidden diseases. Assessment of the risk of infection for risk groups is also made more difficult. Therefore, the authors of the Bern study point out that accurate estimates of actual asymptomatic and presymptomatic infections are crucial for the Strategy development to protect the health of the population, as reported by the German editorial network.

If you want to protect yourself and your fellowmen from the corona virus, you should turn to the known Crown size keep the federal government. Because one thing is clear: wearing one Mouth and nose protection in public spaces, regular washing and disinfection of hands and respect for Distance rules can help prevent the transmission of viruses. (Tobias Ketter) * fnp.de and fr.de are part of the national Ippen-Digital publishing network.

List of headings lists: © Andreas Gebert / dpa



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