Seasonal flu is a common respiratory infection caused by influenza viruses. It usually spreads more frequently during colder seasons such as fall and winter. Because seasonal flu is highly contagious, understanding its symptoms and prevention methods is important for protecting your health.

What Is Seasonal Flu?

季節性流感 is an acute viral infection that affects the respiratory system. Flu viruses change slightly every year, which is why seasonal outbreaks occur annually.

Compared with the common cold, seasonal flu often causes stronger symptoms and may affect overall health.

Common Symptoms of Seasonal Flu

People infected with seasonal flu may experience symptoms such as:

• Fever

• Cough

• Sore throat

• Runny or blocked nose

• Body aches

• Fatigue and headaches

Some individuals may also experience loss of appetite or general weakness.

How to Prevent Seasonal Flu

You can reduce the risk of infection by following these preventive steps:

Get vaccinated

Flu vaccination is one of the most effective ways to prevent infection.

Wash your hands frequently

Proper hygiene helps reduce virus transmission.

Wear a mask in crowded places

Masks help reduce exposure to respiratory viruses.

Strengthen your immune system

Healthy eating, adequate sleep, and regular exercise help support immunity.

Avoid close contact with infected people

Reducing exposure helps prevent infection.

Healthy Lifestyle Support

Maintaining a healthy lifestyle during the seasonal flu period is important for supporting your immune system.

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