The cause of the “fog in the head” after the coronavirus has been established

(ORDO NEWS) — Scientists have only recently been able to detect the presence of an abnormally active immune system that indicates the presence of neuroinflammation.

It begins to develop only a few months after the person is completely cured of the coronavirus. These complications of COVID-19 have not yet been well studied, but scientists have already noticed that they are present even in those patients who have had a mild form of the virus.

Researchers at the University of California at San Francisco recruited 17 volunteers who had had a mild form of the coronavirus about 10 months before the experiment began.

Despite the fact that the virus did not provoke any complications, signs of fog in the head were observed for a long time in 13 people. The remaining 4 people, in turn, became the control group.

During the study, samples of the cerebrospinal fluid of each of the participants were carefully studied. Those who showed signs of haziness were found to have an overactive immune system.

There were high levels of certain proteins and antibodies that indicated the presence of neuroinflammation. The control group had no such symptoms.

Scientists note that if abnormal immune activity was recorded a few months after the coronavirus, this indicates the presence of an inflammatory process of a protracted nature. Joanna Hellmuth spoke about this in detail.

An interesting point at the same time was that about half of the patients experienced long-term symptoms literally one month after recovery, and in another 30% two months later.

Experts believe that this can only occur if microvessels have been damaged, immune activity is present on a permanent basis, and a post-infection immune response occurs.

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