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“We had a cluster spread – that is, outbreaks of infection. Ignoring the medical facts led to the fact that it became diffuse. This has been ignored, but not by the state. Rather, people underestimated it,” she told NOVA the second wave of the covid-19 epidemic in Bulgaria, the director of the Institute for Reproductive Biology and Immunology, Professor Soren Hayrabedyan.
“The amount of virus is important for the possible development of pathology. But in general, the mask is a preventive measure, because there is no way to know if we are infected. There is a two-day window in which a person is asymptomatic and can transmit the virus.
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“The PCR test itself is very reliable as a methodology. We have been using it routinely for many years. It is not a problem. The problem is the biology of this and other viruses. People need to understand that there is no test that always be 100% conclusive and that is why the tests are repeated. There is a medical casuistry described, in which the patient is examined three times and is negative, the fourth time is positive with a fatal outcome “, explained Prof. Hayrabedyan.
“One of the highlights of the virus is that it doesn’t always use the lungs and nose as a gateway. You can get infected through food, for example if someone coughs and you eat it. Your intestinal cells have the same receptors than those of the nose. Therefore, CRP will not be captured. Such a mechanism is described. There are other even proven cases of infection through the toilets at the beginning of the epidemic in Wuhan. However, these distribution mechanisms are more rare. ” said Professor Hayrabedyan.
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He stressed that for these reasons restaurant employees must wear masks and gloves.
Professor Hayrabedyan explained that when infected through the esophagus, the symptoms of the disease change and patients have a disorder or diarrhea.
“There is a hypothesis that people who have T cells created for other related pathogens or certain vaccines quickly eliminate the virus. Everything is currently in the field of research and the more data we accumulate, the more these hypotheses are modeled. This virus has been a problem recently and it takes time, “said Professor Hayrabedyan.
According to him, reinfection with covid-19 is quite possible.
“I think most colds come from other coronaviruses. Several paradigms were announced at the beginning of the epidemic so as not to scare people. But the truth is that just as there is no lasting immunity against the flu, there will be no such thing either. The virus mutates. There are already three families of mutations. The one with the best distribution is already in Europe and Bulgaria. “
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The scientist explained that vaccines developed against covid-19 can present risks. A new study conducted by the Johns Hopkins Institute in the United States among deceased elderly women with high body weight (one of the risk groups, for example) has shown that autoantibodies can target antibodies designed to fight the virus and to led to lung damage in patients. Therefore, it is very likely that a universal vaccine will not be created and that some people will have to find other ways to stop the infection.
