Flu in Adults (cont.)
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Flu in Adults Follow-up
Generally, no follow-up is needed for most flu cases unless fever or cough returns along with other new symptoms, which could signal a complication.
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Flu in Adults - Symptoms
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Influenza virus infection, one of the most common infectious diseases, is a highly contagious airborne disease that causes an acute febrile illness and results in variable degrees of systemic symptoms, ranging from mild fatigue to respiratory failure and death.