Unveiling Clues on the Trail of Long Covid: Latest Findings | World News

Feb 10, 2024

Paris: long covid It's an elusive condition that still hasn't been tested or treated – it's the name given to a variety of diseases. symptoms People are still facing it for weeks and months after contracting it for the first time SARS-CoV-2 Virus. are the most common Tiredness, difficulty breathingMuscle aches and brain fog.
While it is difficult to determine the exact number of people suffering from long-term Covid, the WHO says it could be between 10-20% of all people who have been infected with the disease.
A remarkable study released last month showed that there were significant differences in the proteins in the blood of more than 110 long-COVID patients. Onur Boyman, a Swiss researcher and senior author of the Science study, said he believes this is a “central puzzle piece” that keeps Covid raging in some people's bodies for so long.
Researchers said a part of the body's immune system called the complement system, which normally fights infection by killing infected cells, remained active in people with long-term Covid, continuing to attack healthy targets. and causes tissue damage. Boyman said that when people recovered from long Covid, their complement systems also improved, suggesting a strong connection between the two. “This shows that long COVID is a disease and you can actually measure it,” Boyman said.
Researchers not involved in the study cautioned that this complement system “dysregulation” cannot explain all the different ways it appears to attack long-COVID patients.
Ziad Al-Ali, an epidemiologist at Washington University, St. Louis, said COVID has been so elusive for a long time because it is a “multi-system disease.” “Our brains are trained to think about diseases based on organ systems, such as heart or lung disease,” he said.

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