Maintenance of food service sanitation
Sanitary waste disposal
Proper control of disease-carrying insects and animals
f. Control Methods Applicable to the Susceptible Person. A "susceptible" or
"nonimmune" is a person who has little resistance against a particular disease organism
and who, if exposed to this organism, is likely to contract the disease. Protection of the
susceptible requires the use of all measures necessary to maintain or improve general
The individual who has good mental and physical health has good
Good personal hygiene, including avoidance of known or suspected
sources of disease, helps maintain health.
Immunizing agents are available for use in conjunction with other
measures for the control of some, but not all, communicable disease.
In some instances, suppressive drugs are available to decrease the
Some diseases confer immunity against further attacks by the same
Normal childhood diseases, such as mumps and measles, are
-- Some closely related diseases, such as smallpox and vaccinia,
confer cross immunity. An individual who contracts one of these diseases develops
immunity against the other.
CLASSIFICATION OF COMMUNICABLE DISEASE
Communicable diseases may be classified in more than one way. In this text, diseases
are classified into five groups, based on the mode of transmission or entry into the host
and the type of major control measures required for their defeat.
a. Food-Borne and Water-Borne Diseases. Food- and water-borne
(intestinal) diseases are transmitted by any of the various means by which infectious
human or animal excrement gains entry into the digestive tract of a susceptible person,
primarily through the consumption of contaminated food, water, or food service
equipment. This group includes such diseases as typhoid fever, cholera, and various