Influenza (flu) - Symptoms and causes - Mayo Clinic
2025年12月19日 · Learn more about the symptoms, causes and prevention of this potentially deadly viral infection that attacks the respiratory system.
Flu symptoms: Should I see my doctor? - Mayo Clinic
2025年10月8日 · Unlike a cold, the flu tends to come on suddenly and makes you feel much worse than a cold. Common symptoms of the flu often include a fever but not always, as well …
Influenza (flu) - Diagnosis and treatment - Mayo Clinic
2025年12月19日 · Learn more about the symptoms, causes and prevention of this potentially deadly viral infection that attacks the respiratory system.
Common cold - Symptoms and causes - Mayo Clinic
2023年5月24日 · This common illness of the nose and throat causes a stuffy or runny nose, sore throat, and cough.
COVID-19 vs. flu: Similarities and differences - Mayo Clinic
2025年10月22日 · What symptoms do COVID-19 and flu have in common? COVID-19 and seasonal flu have some of the same symptoms. These include: Fever. Dry cough. Shortness of …
What to do if you get a respiratory infection: A Mayo Clinic …
2024年12月30日 · Flu symptoms include sore throat, runny or stuffy nose, fever, body aches and fatigue. These symptoms may overlap with other illnesses, like the common cold, but key …
COVID-19, cold, allergies and the flu: What are the differences?
2025年10月22日 · It's not easy to tell these health conditions apart based on their symptoms alone. Find out about the differences between these illnesses.
Facts about the flu - Mayo Clinic News Network
2020年11月17日 · Flu is a general term for seasonal influenza, which is a viral infection that attacks your respiratory system. Symptoms often come on suddenly and may seem like a cold …
H1N1 flu (swine flu) - Symptoms and causes - Mayo Clinic
2023年3月23日 · Find out more about flu caused by the H1N1 virus. Learn how to prevent and treat the flu.
Self-care for the flu - Mayo Clinic
2024年1月9日 · Symptoms include a sore throat, runny nose, fever, chills and muscle aches. Flu symptoms can make you feel awful. But if you're otherwise healthy, not pregnant and younger …