Scientists have baffled… ambiguity surrounding the long-term symptoms of corona

Mystery still surrounds the long-term symptoms that accompany people recovering from infection with the Corona virus for months, despite studies and analyzes conducted by doctors.

Swiss doctor Maysam Nehme revealed during a conference organized by the Pasteur Institute at the end of last September, that more research should be done on the “long-term Covid disease and its patients.”

Like many other researchers around the world, the doctor worked to give a better definition of the long-term Covid disease, which is the persistence of symptoms in a patient who was infected months ago with the virus that causes Covid-19.

One third of patients suffer

After studying several hundred patients, Naama estimated that more than a third of them continue to suffer from at least one symptom after seven, eight or nine months after the injury, according to what was quoted by Agence France-Presse.

It is not known what can cause these symptoms to persist: does a small amount of the virus remain in the body? Does the damage it causes to some parts of the body continue, whether the damage is related to the virus itself or the immune reaction, or is there a purely psychological component?

But the question about the causes leads to another question: Is there one long covid or do we classify under the same term different facts between patients with mild forms of covid and others who developed complications that required hospitalization or even placement in intensive care?

Symptoms are partly related to the virus

But a few weeks ago, a lot of studies, like Nima’s, went in a direction that talked about the existence of Covid-19 specificity. In contrast to studies conducted quickly at the start of the epidemic, they compare the frequency of symptoms with patients who did not have them or developed other diseases.

This is the case of the study published by a British team at the end of last September, in the journal PLOS One. Based on data collected from nearly 300,000 patients, researchers note that typical symptoms of long-Covid-19 are more frequent in ex-Covid patients than in seasonal influenza patients.

The study stated that this “suggests that the origin (of symptoms) can be partly related to infection with SARS-CoV-2”, the virus that causes Covid.

However, it is still difficult to draw conclusions because the study found a variety of symptoms depending on the severity of the original disease and the age of the patients.

It is noteworthy that following the onset of the health crisis in the year 2020, many patients reported that they still suffer from symptoms such as fatigue, difficulty breathing, and permanent loss of the sense of smell, after a long period of illness.

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Source

Scientists baffled ambiguity surrounding longterm symptoms corona

 
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