151 citations
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May 2021 in “Frontiers in Medicine” This systematic review observed that a significant number of COVID-19 patients report long-term symptoms, including neurologic complaints and chronic fatigue, highlighting the presence of "post-COVID syndrome.
19 citations
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February 2023 in “Public Health” This study found that more than one-quarter of patients experienced persistent symptoms up to 24 months after mild COVID-19, suggesting long-term effects even in less severe cases.
5 citations
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January 2024 in “Journal of Primary Care & Community Health” This study observed that the severity of long COVID symptoms varies among patients and sociodemographic and clinical factors affect the likelihood of experiencing symptoms for more than a year. Understanding these factors may optimize management and improve patient outcomes.
213 citations
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December 2020 in “Annals of internal medicine” This study observed that 32% of COVID-19 patients experienced persistent symptoms, including fatigue, dyspnea, and loss of taste or smell, 30 to 45 days after their initial diagnosis.
32 citations
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June 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” This systematic review found that long COVID symptoms, particularly fatigue, sleep disorder, and dyspnoea, were similarly prevalent in ongoing symptomatic COVID-19 and post-COVID-19 syndrome, but psychological issues and poor quality of life were more common in the latter.