Flu

Flu, also called influenza, is a viral infection of the upper airways. It is usually more severe than the common cold, although it may appear like the common cold in the early stages. Typical symptoms include some or all of ... More »

Misdiagnosis: Flu

Undiagnosed flu: Influenza is often undiagnosed, because it is misdiagnosed by the patient as something milder, such as the common cold ... More Misdiagnosis »

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