Which of These Does NOT Routinely Constitute a "Case

Question

Which of these does NOT routinely constitute a "case"
A)a carrier of genital warts virus
B)an animal carrier of foot and mouth disease
C)a child with measles
D)an elderly man with pneumonia
E)a child born to an HIV-diaagnosed woman

Accepted Answer

A carrier of genital warts virus does not routinely constitute a "case" because being a carrier implies that the individual may not show symptoms or suffer from the disease's effects directly, unlike the other options where the individuals or animals are directly affected by the diseases mentioned.