Preventing the spread of communicable disease can be done by
A. ignoring hygiene.
B. avoiding the use of insect repellant.
C. avoiding sharing personal items, like toothbrushes.
D. coughing or sneezing without covering your mouth and nose.
The answer would be C. Those items have germs on them from you. Your body might not be used to them. Like a toothbrush, it collects germs from your mouth. Those can transfer to another person's mouth if someone else uses it.
