The time interval between invasion by an infectious agent and appearance of first sign or symptom of the disease in question is called
A. Quarantine
B. Inoculation
C. Incubation period
D. None of the above
Answer:C
The time interval between invasion by an infectious agent and appearance of first sign or symptom of the disease in question is called
A. Quarantine B. Inoculation C. Incubation period D. None of the above