Which of the following statements regarding hepatitis A is correct?
A. Hepatitis A can only be transmitted by a patient who has an acute infection.
B. Infection with hepatitis A causes chronic illness with a high mortality rate.
C. Hepatitis A is primarily transmitted via contact with blood or other body fluids.
D. Although there is no vaccine against hepatitis A, treatment is usually successful.
Answer: A. Hepatitis A can only be transmitted by a patient who has an acute infection.
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