Which of the Following Ideal Criteria for Elimination of a Disease

Which of the following ideal criteria for elimination of a disease is addressed by the following statement: Hepatitis B may establish a chronic infection that can lead to transmission of the disease even in the absence of symptoms?

A) No animal reservoir.
B) Short persistence in the environment.
C) Absence of a long-term carrier state.
D) The disease and the vaccine produce long-term immunity.