3. How does a vaccine work? *
2 points
o
It trains your immune system to attack the dis...
![subject](/tpl/images/cats/biologiya.png)
3. How does a vaccine work? *
2 points
o
It trains your immune system to attack the disease causing agent before it makes you
sick
O It makes you a little sick so the disease worit make you feel sick next time.
Oh locks your cells' so diseases carít get in.
O i fills up your immune system with vitamins and minerals that fight disease.
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