Scraping oneself on a contaminated object may cause infection.
Germs can contaminate surfaces and objects around the water.
Scraping oneself on surfaces or things that have germs may cause infection.
Which of the following may cause infection?
A: influenza
B: Sterilized objects
C: chickenpox
D: eukyarotes
E: Processed bacteria
F: Thorough precautions
G: Germy surfaces
H: viruses