Which statement best characterizes hepatitis A?
a. Incubation period is 6 weeks to 6 months.
b. Principal mode of transmission is through the parenteral route.
c. Onset is usually rapid and acute.
d. There is a persistent carrier state.
C
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A The incubation period is approximately 3 weeks for hepatitis A.
B The principal mode of transmission for hepatitis A is the fecal-oral route.
C Hepatitis A is the most common form of acute hepatitis in most parts of the
world. It is characterized by a rapid acute onset.
D Hepatitis A does not have a carrier state.
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