Transmission involves
the transport of an infectious agent from the reservoir to the host. It is the
most important link in the chain of infection. Pathogens can be transmitted
from the reservoir to a susceptible host by various routes (Sobsey and Olson,
1983).
a. Person-to-Person
Transmission
The most common route
of transmission of infectious agents is from person to person. The best
examples of direct contact transmission are the sexually transmitted diseases
such as syphilis, gonorrhea, herpes, or acquired immunodeficiency syndrome
(AIDS).
