Differentiate the terms in each of the following pairs:
a. etiology and pathogenesis
b. infection and disease
c. communicable disease and noncommunicable disease
Patients can contract chlamydia more than once because
a. it is so commonly antibiotic resistant.
b. long-term immunity is not established after infection.
c. it hides in neurons and reactivates, lysing cells.
d. it is sexually transmitted.
e. all of the above apply.