What is it about?

COVID-19 is a complex disease, and we have yet to understand all of the different ways in which it affects the human body. Over the past two years, many people who have had COVID-19 have also experienced symptoms related to the brain and nervous system. The authors in this study reviewed data from 145,721 patients across 55 countries. Each of these patients had symptoms related to the nervous system. They found that the most common symptoms that patients experienced were tiredness, muscle pain, headache, loss of taste, and loss of smell. They also found that one in every three patients displayed at least one of these symptoms. Moreover, the researchers found that patients who experienced these symptoms were twice as likely to die from the infection.

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Why is it important?

COVID-19 can affect the healthy functioning of the brain and nervous system. Many people who have experienced COVID-19 have reported “brain fog” during the infection and even after recovery. Over 400 million people have been infected with COVID-19 since the pandemic began. That is almost 6% of the world’s population. This means that a significant number of people in the world are also likely to experience nervous systems problems due to COVID-19 infection. Symptoms involving the nervous system can also increase the risk of death in patients with COVID-19. This makes it very important to understand how often such symptoms occur and to find ways to treat and reduce such symptoms. KEY TAKEAWAY: This study shows that one in three patients with COVID-19 could experience symptoms relating to their brain and nervous system. This means that a large amount of the population is at risk of developing such problems. It is important to research these symptoms so that we can better treat patients in the future.

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This page is a summary of: Frequency of Neurologic Manifestations in COVID-19, Neurology, October 2021, Wolters Kluwer Health, DOI: 10.1212/wnl.0000000000012930.
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