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
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
3
Q
What is a placebo (drug trials)?
A
An injection without the medicine, but it looks identical
