Thursday, April 15, 2021

Covid-19 reinfection may be accompanied by stronger symptoms – Prime Time Zone

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Virologist explains that second exposure to coronavirus is capable of causing greater complications to patients’ health

ALEXANDRE GONÇALVES / ISHOOT / ESTADÃO CONTENTIn addition to the increased risks of second infection, the emergence of new strains is also of concern because of uncertainty about the effectiveness of vaccines

A study of the Oswaldo Cruz Foundation (Friocruz) showed that the reinfection fur coronavirus, may be more frequent than is supposed. The Research Center for Technological Development in Health found that mild or asymptomatic cases at the first exposure may not produce enough immune response, making it possible to reinfection, even with the same variant. The virologist and researcher at Fiocruz, Thiago Moreno, says that the second exposure to Covid-19 is capable of generating even stronger symptoms of the disease. “It also shows us that a portion of the population who had mild illness in a first episode may return to Covid-19 after some time and will not necessarily be mild again.”

The emergence of new strains is also of concern because of uncertainty about the effectiveness of vaccines. This Wednesday, 7, the Butantan Institute warned of the risks of the coronavirus variant found in Sorocaba, considered equivalent to the South African one. The director of the institution, Dimas Covas, said that the fact that the infected patient has no travel history or contact with people from the African continent, makes the discovery even more worrying. “It of all variants is that it presents the greatest resistance to neutralization by antibodies vaccine-induced. All vaccines that are being used showed a reduction in terms of neutralization in relation to this variant ”, he said. Also according to Dimas Covas, it is essential to monitor the variant closely, to see if it will, in fact, establish itself.

* With information from reporter Caterina Achutti

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