Question

diphtheria is a serious illness in which toxins deteriorate nervous tissue. antitoxins can be used to counter effects and antibiotics can be used to rid the body of any remaining parasites. based on these facts, is caused by bacteria or viruses? bacteria viruses

Explanation:

Antibiotics are effective against bacteria but not against viruses. Since the text mentions using antibiotics to rid the body of remaining parasites (in the context of diphtheria), this indicates that diphtheria is caused by bacteria.

Answer:

Bacteria