How long does COVID last?

Last updated September 3, 2026.

Mild cases typically improve over 1 to 2 weeks, with symptoms appearing 2 to 14 days after exposure per the CDC. Severity varies enormously with age, vaccination, and chronic conditions. Fatigue, cough, and brain fog often outlast the infection by weeks - symptoms persisting past about a month are worth a long-COVID conversation. Breathing trouble, chest pain, or confusion means care now.

COVID timeline

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