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Researchers from Ceará identified 12 cases of people who fell ill twice from covid-19. The study is carried out by the Secretary of Health of Ceará, Fiocruz and the University of Fortaleza (Unifor).
One of those responsible for the research, the infectious diseases specialist at Hospital São José, Keny Colares, reports that the study began after some people began to inform health authorities that they were experiencing symptoms of covid-19 for the second time. .
“People who had had the symptom in March and April, the test had been positive and it had become good. In late May, early June, these people started to have symptoms again. We saw similar cases reported, most of them important of them, registered in China, where they found five cases among a group of about 90 individuals. The first technical note came out in July, reporting six cases with these characteristics. We are concluding a note expanding these cases to 12 cases, “he revealed.
Keny Colares explains that the cases studied have characteristics compatible with recurrence, derived from the same infection, which is when the person has the disease, improves and shows symptoms again.
The infectologist emphasizes that the group will delve into the studies to find out if this new manifestation of the disease was actually a reinfection. In this case, the person was cured, had a new contact with the virus, and became infected again. This week, one such case was confirmed in the United States.
“What is published in the literature there, the material of the virus from the first infection and the second infection was studied, comparing the genetic code of these two viruses, showing that they were different viruses. The person has probably been reinfected and they are being called reinfection. In our cases, we may not be able to show whether it is a reinfection because we have not yet been able to perform these tests to study the genomes of these viruses.
The Ceará Health Department continues to investigate the situation of 160 people from different regions of Ceará who tested positive for COVID-19 twice. Cases are patients who underwent two RT-PCR tests 21 days or more apart and tested positive for disease in both.
For the doctor, the main lesson of this moment – even with many uncertainties – is that we must maintain care to avoid the spread of the new coronavirus.
In September, the article on Recurrent Clinical Symptoms of covid-19 in the first six cases analyzed by researchers from Ceará was among the top ten studies on the Covid Reference website.
