An acute, contagious respiratory infection caused by a virus is:
A) tuberculosis.
B) influenza.
C) pertussis.
D) epistaxis.
B
Explanation: A) Tuberculosis is an infectious disease caused by the tubercle bacillus, Mycobacterium tuberculosis.
B) Correct.
C) Pertussis is an acute, infectious disease caused by the bacterium Bordetella pertussis.
D) Epistaxis is a nosebleed.
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