Coronavirus: Nearly half of COVID patients globally have symptoms even after 4 months, new study finds


Some clinical abnormalities reported in many patients who had been hospitalized with COVID-19 include changes in lung structure and function. However, no clinical abnormalities could be found to explain the long COVID symptoms for certain.

“The reasons as to why so many patients are experiencing long COVID remains unknown,” the authors wrote. Possible causes for lingering symptoms even after the initial infection is gone include organ damage, inflammation, altered immune systems, and psychological effects.

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