Multiple choice

__________ is commonly called flu.

  1. Hepatitis

  2. Delta agent

  3. Influenza

  4. Asthma
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Influenza, commonly called the flu, is an acute, contagious, respiratory tract infection, which is caused by one of the influenza viruses. The severity of influenza symptoms depends on the type of influenza virus, and the age and health of the patient. Influenza may produce no symptoms, mild-to severe symptoms, or fatal illness.

Keep practicing — related questions