Commandant
2100 Second Street, S.W.
United States Coast Guard
Washington, DC 20593-0001
(202) 267-0805
COMDTINST 6230.6
14 MAY 1991
COMMANDANT INSTRUCTION 6230.6
Subj:
Typhoid Immunization of Active Duty Coast Guard Personnel
Ref: (a)
COMDTINST M6230.4D, Immunizations and Chemoprophylaxis
1.
PURPOSE. This instruction modifies reference (a) and provides additional specific guidance
for the administration of typhoid immunization to active duty Coast Guard personnel.
2.
DIRECTIVES AFFECTED. The contents of this instruction will be incorporated into the
next change to reference (a).
3. BACKGROUND. Typhoid fever is a systemic illness caused by the typhoid bacillus,
Salmonella typhi. Although the portal of entry is the gastro-intestinal tract, typhoid fever is not
considered strictly an intestinal disease. Symptoms most commonly noted are sustained fever,
malaise, loss of appetite, cough, constipation (more commonly than diarrhea), and abdominal pain.
Typhoid fever occurs worldwide; cases in industrialized nations usually represent importation of
the illness from endemic areas. Infection is almost always a consequence of ingesting
contaminated food, water, or milk. Improvements in environmental sanitation in industrialized
countries/cities have significantly reduced the incidence of typhoid fever.
4.
POLICY.
a.
Typhoid vaccine will not be routinely administered on initial entry into the Coast Guard
(recruit training, Officer Candidate School, direct commission programs, and USCG
Academy).
b.
Typhoid immunization is required for residence in or travel to an endemic, epidemic, or
outbreak area. Enclosure (1) provides detailed guidance concerning when typhoid
immunization is required.
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