a disease that kills a large number of people
The Black _______ killed many people.
having germs that cause a disease
His foot became infected after he stepped on a sharp ______.
tiny organisms or germs too small to be seen without a microscope
Use a microscope to view the ____________.
special substances produced by the body that destroy or weaken germs
________ fight germs.
________ can cause disease.
special substances used to protect a person or animal from a disease
Did you get your flu ___________ yet?