Some Microbes Gain Access to the Normally Axenic Central Nervous

Multiple Choice

Some microbes gain access to the normally axenic central nervous system by

A) axonal transport from infected peripheral neurons.
B) infecting lymph nodes in the cranium.
C) damaging the blood-brain barrier.
D) infecting macrophages which subsequently enter the CNS.
E) either damaging the blood-brain barrier or by axonal transport from infected peripheral neurons.