February 2024 in “BMJ Open” This study at Luigi Sacco University Hospital identified three key macro symptoms of long COVID—neurological, sensorial, and physical—and found that their development is associated with comorbidities, medications during acute COVID-19, and demographic factors like age and gender.
March 2026 in “Journal of Epidemiology & Community Health” In this study, researchers analyzed English primary care data and found that long-COVID symptoms such as fatigue, cognitive, and mobility impairments persisted at 6–12 months after infection, though these effects were generally less pronounced following the later pandemic wave.
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July 2023 in “Cureus” This study observed a high prevalence of post-COVID-19 symptoms, including exertional dyspnea, cough, fatigue, and myalgia, among patients attending a post-COVID clinic in Southern India, with no significant symptom differences based on hospitalization during acute COVID-19.
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August 2022 in “JAMMI” This study found that diverse persistent symptoms are common three months after COVID-19, with older age and hospital diagnosis increasing the likelihood, but early reports may overestimate their prevalence.
May 2026 in “Journal of Clinical Medicine” In this study, post-COVID-19 patients showed substantial multisystem symptoms six to eight months after infection compared to controls, with a higher burden in non-respiratory areas like fatigue and neurocognitive issues, despite respiratory symptoms largely resolving.