What Does a High Case-To-Infection Ratio (CI)indicate

Question

What does a high case-to-infection ratio (CI)indicate?
A)That the disease is usually fatal.
B)That most people infected by the pathogen will develop the disease.
C)That most people infected by the pathogen will not develop the disease.
D)That the disease is usually very mild.
E)That the pathogen is transmitted by an aerosol route.

Accepted Answer

A high case-to-infection ratio indicates that a large proportion of those infected by the pathogen will develop the disease, suggesting the pathogen has a high probability of causing disease in those it infects.