American researchers have found that children with coronavirus may have antibodies to it at the same time. However, it is not yet known whether they can spread the disease at the same time. The work of scientists is published in the Journal of Pediatrics.
“With most viruses, when you find antibodies, you no longer find a virus. But with COVID-19, we are seeing both. This means children can still transmit the virus even if antibodies are detected,”said Burak Bahar, lead author of the study, director of the Informatics Laboratory at the National Children's Hospital.
There are still many questions about how children spread COVID-19. Therefore, American scientists investigated at what point the child's body begins to produce antibodies against the coronavirus. To do this, they studied data from more than 6,500 children who had previously been tested for COVID-19, 215 of whom were tested for antibodies at the National Children's Hospital. Of these, 33 children were tested for both the virus and antibodies. Nine had antibodies and coronavirus at the same time. According to scientists, in the future they will study whether a virus adjacent to antibodies can be transmitted to other people. However, it remains unknown whether antibodies correlate with immunity and how long they provide potential protection against re-infection.
The study authors also found that girls aged six to 15 years get rid of the virus the longest. It takes them an average of 44 days. At the same time, boys of the same age group are cured in about 25 days, which corresponds to the median indicator for all ages. In comparison, patients aged 16 to 22 need only 18 days. The median time to achieve sero-positive - the presence of antibodies in the blood - was 18 days.
“The bottom line is that we cannot let our guard down just because the child has antibodies or no symptoms. It is still extremely important to observe the rules of hygiene and social distancing,”Bahar emphasized.
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