The formation of memory cells against a particular disease-causing microorganism can only occur after the person actually has the disease.

Question

Quizplus · Accepted Answer

This statement is false. Memory cells can form after exposure to a vaccine containing weakened or inactivated forms of the microorganism. This allows the immune system to build immunity without actually contracting the disease.

The Formation of Memory Cells Against a Particular Disease-Causing Microorganism