, 1927-11-02
pARATYPHoID FEvER

From the appearance of prodromal
symptoms, throughout the Illness
and relapse, during c~onvalescepce.
and until repeated meteorological
Examination of discharges show alb
Isence of the injecting organism.
1. Placard required.
q. Isolation in fy-proof room.
preferably under hospital condi-
ltions, of such cases as cannot COM
mand adequate environment and
nursing are in the homes.
a PNEUMONIA
1. Infectious Agent Various
pathogenic bacteria commonly found
in the nose, throat and mouth,
such as the p-neumococcus, the ba-
cillus of F~riedlander, the Influenza
baillus. etc.
S. Period of Communicating.
Unknown; presumably until t he
mouth and nasal discharges no
longer carry the infectious agent
in an abundant amount or in viru-
lent form.
6. Methods of Control.
(a) The infected Individual and
his environment
1. Placard required.
2. Isolation of the infected per-
son during the clinical course of
the disease.
POLIOMYELITIS
(Acute Infectious)
1. Infectious Agent. A filter
able virus of undetermined NOR
phology.
S. Period of Communicability.
Unknown; apparently not more
than twenty-one days from the on
set of the disease. but may pre-
cede onset of the clinical symp-
toms by several days.
6. Methods of Control.
(a) The infected individual and
his environment
l.. Placard required.
3. Isolation of all recognized
cases from three weeks from fe-
brile onset.
8. Quarantine of exposed chill
dren of the household and of adults
lof the household whose vocation
brings them into contact with the
children, or who are food handlers.
for IA days from last exposure to
a recognized case.
RABIES
1. Infectious Agent Unknown.
2. Source of Infection. Saliva
infected animals, chiefly dogs.
S. Period of Communicability.
For fifteen days in the dog (not
known in MANI before the onset
of clinic symptoms and. throughout
the clinical course OF the disease.
s. Methods of Control.
(a) The infected Individual and
his environment
L. Placard required.
2. Isolation. None If the pa
tient is under adequate medical
supervision and the Immediate at
pendants r warned of possibility
of incubation by human virus.
ROCKY MOUNTAIN SPOTTED
OR TICK FEVER
1. Infectious Agent. Unknown
2. Source of Infection. Blood.
of infected animals, and infected
ticks (-dermacentor species).
/. No placard.
SCARLET FEVER
/. Infectious Agent. (Streptococ-
Gus ~scarlatinae).
2. Source of Infection. Dis
charges from the nose, throat, ears,
abcesses or wound surfaces, and
articles freshly soiled Herewith.
The nose and throat discharges of
carriers may also spread the dis
lease.
L. Placard required.
Q. Isolation in home or hospital.
maintained in either case until the
end of the period of infectivity. If
medical inspection is not available,
Isolation for tw~enty-eight days from
onset.
8. Quarantine. Exclusion of ex-
posed children and teachers from
their work, until seven days have
elapsed since last exposure to a
recognized case.
SEPTIC SORE THROAT
1. Infections Agent. Strepto-
coccus (hemolytic type).
5. Period of Communicating.
In mar presumably during the con-
tinuance of clinical symptoms; in
the COW, during the continuance
of discharge of the streptocccci in
the milk, the condition In the I'D
der. tending to spontaneous subsi-
dence. The carrier stage may fol-
low convalescence and persist for
some time.
6. Methods of Control.
(a) The infected individual and
his environment
1. Placard required.
2. Isolation during the clinical
course of the disease and GONZALES
cense, and particularly exclusion OF
the patient from participation in
the production or handling of milk
or milk products.
SMALLPOX
J.. Infectious Agent. Unknown.
2. Source of Infection. Lessons
of the mucous membranes and skin
of infected persons.
3. Mode Of Transmission. by
direct personal contact: by articles
soiled with discharge from LESSONS.
The virus may be present in all
body discharges. including feces
and urine. 1t NAY be carried by
flies.