In a routine examination, some blood is taken and analyzed. The results show a high IgM titer for the mumps virus but a low IgG anti-mumps titer. This would indicate the person
A) has just recovered from mumps.
B) was recently infected with mumps.
C) is allergic to mumps.
D) is immune to mumps.
E) is relying on passive immunity.

Question

Quizplus · Accepted Answer

A high IgM titer indicates recent infection, whereas a low IgG titer indicates lack of long-term immunity. This suggests the person was recently infected with mumps and may not have developed a strong immune response yet.

In a Routine Examination, Some Blood Is Taken and Analyzed