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First national lockdown
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Long COVID in India: 5 million with persistent symptoms, fatigue and brain fog
India saw the world's second-largest COVID wave. Now an estimated 5 million Indians live with Long COVID, chronic fatigue, brain fog and organ damage that persists two years or more after.
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Long COVID in India at a glance
India recorded over 4.5 crore confirmed COVID cases through 2024, second only to the United States, with seroprevalence studies suggesting the real infection count was several times higher. WHO defines Long COVID as new or persistent symptoms continuing more than three months after infection that cannot be explained by another diagnosis. ICMR follow-up cohorts and AIIMS post-COVID clinics estimate that between 5 and 10 percent of Indians who had symptomatic COVID develop Long COVID, which translates to a conservative 5 million people. The most common symptoms are profound fatigue, brain fog, breathlessness, palpitations, sleep disturbance, and post-exertional malaise. AIIMS and PGI Chandigarh have set up dedicated post-COVID clinics but most district hospitals do not yet recognise the syndrome. Many patients pass through cardiology, pulmonology, endocrinology and psychiatry before someone names the condition, which adds to delay, cost and emotional distress.
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Why Long COVID is biology and policy together
Long COVID arises from a combination of immune, vascular and viral persistence mechanisms now described in peer-reviewed work. Even after the virus clears the upper airway, fragments and chronic inflammation can persist in some patients, driving fatigue, autonomic dysfunction and small-fibre neuropathy. Pre-existing diabetes, hypertension, obesity and untreated depression raise the risk of developing Long COVID, and India has all of these at scale. But India's specific failure has been in surveillance and recognition. National-level Long COVID registries are thin, ICMR's post-COVID cohorts cover only a sliver of the country, and most family physicians are not trained to diagnose the syndrome formally. As a result, women and informal workers are particularly likely to be told their symptoms are psychological or simply seasonal weakness. Without recognition, there is no leave from work, no insurance coverage and limited research. Long COVID is therefore not only a medical question but a policy one about how chronic post-infectious illness is treated by the Indian health system.
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