How can I prevent cold and flu?

What are some effective ways to prevent cold and flu?

To prevent cold and flu, wash your hands frequently, avoid close contact with sick individuals, and get vaccinated.

How often should I wash my hands?

You should wash your hands for at least 20 seconds, especially after being in public places or after coughing/sneezing.

Are there any specific foods that can help boost my immune system?

Yes, foods rich in vitamin C, like oranges and bell peppers, as well as garlic and yogurt, can help boost your immune system.

Is it necessary to get a flu shot every year?

Yes, it's recommended to get a flu shot every year as the virus can change, and the vaccine is updated accordingly.