A)aspirin use.
B)a febrile viral illness such as influenza or chickenpox.
C)fatty degeneration of liver, brain, kidney.
D)children, adolescents, and young adults.
E)All of these choices are correct.

A)lymphocytic choriomeningitis
B)Lassa fever
C)Hantaviruses
D)Bolivian hemorrhagic fever
E)Argentine hemorrhagic fever

A)It contains attenuated viruses.
B)It contains toxoids.
C)It is given in early childhood.
D)It provides protection against three different viral diseases.