What are 5 symptoms of the flu?
The flu, or influenza, is a contagious respiratory illness caused by influenza viruses. Common symptoms of the flu include: 1. **Fever**: A sudden onset of high fever is a hallmark symptom of the flu. Fevers can often reach 100.4°F (38°C) or higher and may last for several days. 2. **Cough**: A dry, persistent cough is a common symptom of the flu. The cough can be quite severe and may linger even after other symptoms start to improve. 3. **Sore Throat**: Many individuals with the flu experience a sore throat, which can be accompanied by discomfort and pain when swallowing. 4. **Muscle and Body Aches**: Flu-related muscle and body aches are often described as feeling like you've been hit by a truck. These aches can affect the entire body and are a key differentiator from the common cold. 5. **Fatigue and Weakness**: The flu can lead to extreme fatigue and weakness, often making it difficult to carry out daily activities. This fatigue can persist for a week or more. It's import...