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Researchers monitor a “worrying” decline in antibodies to Corona recoverers, today, Saturday, October 17, 2020 09:10 a.m.
Some hospitals resort to blood plasma extracted from recoverers of the emerging corona virus, in order to treat patients suffering from complications of “Covid 19”, but this technique is not without its challenges.
The blood of people recovering from the epidemic contains antibodies that move against the virus, and “plasma” techniques have shown great benefit in treating Corona patients.
Doctors say that using blood plasma will reduce the time that the patient stays in the hospital due to complications from Corona.
And this week, the newspaper “MBO” of the American Society of Microbiology revealed that the level of antibodies in the blood of the recovered is declining rapidly.
The researchers added that the level of these antibodies to the virus decreases dramatically, within weeks, after the bodies get rid of the virus and the symptoms disappear.
The scientists believe that what is required is the extraction of this plasma during the short period that follows their symmetry of recovery, because it will not be useful if it is delayed, according to the “News Medical” website.
Meanwhile, recovered Corona patients cannot donate blood until 14 days have passed since the symptoms disappeared, so that the body has enough time to get rid of the remaining virus particles.
Andres Fenzi, a researcher at the Canadian University of Montreal, said: “We do not want to transmit the virus, but rather the antibodies, but what our work has revealed is that the ability of the plasma to neutralize viral particles is declining during the first weeks.”
Venzi, along with other researchers, studied samples from 31 people who had recovered from the emerging corona virus, and the level of antibodies was compared after a full month.
After that, the researchers measured the ability of the antibodies to respond to the virus protein, and the results showed that it decreased after a period of 6 to 10 weeks from the onset of symptoms of the disease.
And Finzi pointed out that these extracts are very useful, because they explain to scientists the way the antibodies interact with the virus, and that vaccine developers will also benefit because the study gives them an idea of the duration of immunity.
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