Key Words Flashcards

1
Q

What is vaccine?

A

Injecting an inactive version of a pathogen into your body so that your immune system knows what to do if you’re infected by it

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2
Q

What is herd immunity?

A

When a large proportion of the population is immune to a disease, the spread of the pathogen will dicrease and it could completely die out

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3
Q

What is a placebo (drug trials)?

A

An injection without the medicine, but it looks identical

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