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We used to say "I have the flu!" When, in fact, we have a simple cold. Although a cold is not the most pleasant, it is still different from the flu, which is caused by a virus. 
Since the beginning of November, it is possible to be vaccinated to protect against the flu virus. The following activities will help students better understand the action of vaccines.


At the end of the activities, the student will be able to:
- distinguish colds and flu;
- know how our body defends itself;
- know the two ways in which white blood cells work;
- find information about vaccination;
- know how vaccines are made and list some types;
- know what an adjuvant is.

Suggested Activities

ACTIVITY 1: What exactly is going on?

"Who has or had the flu this year?" "
Then, "And who had a cold? What are the differences between the two? "
Let the students activate their knowledge and write their responses on the board (interactive or not).
Then, review the following together:
BrainPop animation on vaccines
Google flu tracking map
Symptoms of flu and colds

ACTIVITY 2: Defense of our body

First, it is important to understand how our body defends itself against an aggressor.
Ask students if they know which white or red blood cells are our body's defenders.
Then invite the students to complete the following diagram to find out how white blood cells defend our body. Following the activity, write down on the board any remaining questions from students, or any details that need to be provided.
Then challenge students to find these answers on their own, giving them time.

ACTIVITY 3: Vaccination

When an infectious agent invades our body for the first time, the immune system must produce new antibodies to fight it and it can sometimes take a long time to finally neutralize it. The infectious agent therefore has time to reproduce and cause significant damage to our body. Vaccination therefore helps our immune system by preparing it to fight infectious agents to prevent them from making us sick.
Invite students to find answers to the following questions:
- What are vaccines made from?
- List the different types of vaccines.
- What is an adjuvant?

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