The entry, establishment, and multiplication of a pathogen is
a. inflammation.
b. a disease.
c. infection.
d. exposure.

The entry, establishment, and multiplication of a pathogen is infection.  

If it's a smaller child or infant, place one on the middle of the chest and on the child's back. (if it is a bigger child with enough room for two, place one on the upper right/your left of the chest, and one on the lower left/your right) the pads should never touch each other. 

Answerunderstanding what advocacy means and looks like in action;