APHA IMMUNIZATION FINAL LATEST VERSION UPDATED
AND REVISED IN 2025
What type of pathogen causes Typhoid and Paratyphoid
fever and how is the diseases contracted? - ANSWER -
>Caused by a Bacteria; Typically contracted by
consuming food or water contaminated with feces from
infected individuals.
Where in the world might you contract Typhoid and
Paratyphoid fever and what factor increases your chance
to contract the disease? - ANSWER ->Southern Asia; the
longer you stay the higher your chance at contracting the
disease.
A person may have the Typhoid fever for how many days
before displaying any symptoms? - ANSWER ->6-30 days.
If Typhoid fever goes untreated, what is expected to
occur to the individual? - ANSWER ->After 2-3 weeks,
intestinal hemorrhages can occur
An individual went to the hospital and was diagnosed
with Malaria. The doctor was wrong and mistakes the
,patients symptoms for what other disease? - ANSWER -
>Typhoid fever
What is the main drug class used to treat Typhoid fever?
Also list the secondary drugs used if resistance has
occurred to the number one choice? - ANSWER -
>Fluoroquinolones are first line treatment.
Injectable 3rd generation cephalosporins can also be
used when resistance is observed.
How effective are the Typhoid vaccines and how
affective are they against Paratyphoid fever? - ANSWER -
>50%-80% Effective for typhoid fever and not affective
for Paratyphoid fever.
What is the ORAL Typhoid Fever vaccine called? -
ANSWER ->Vivotif
What type of vaccine is Vivotif? - ANSWER ->Oral
capsule, Live, Attenuated vaccine
Describe the age and dosing requirement of Vivotif? -
ANSWER ->Persons 6 years and older need 4 doses of
Vivotif oral capsule every 48 hours apart.
, What is the IM Typhoid Fever vaccine called? - ANSWER -
>Typhim Vi
What type of vaccine is Typhim Vi? - ANSWER ->Vi
capsular polysaccharide vaccine
Describe the age and dosing requirements of Typhoid Vi?
- ANSWER ->Persons 2 years or older need 1 dose of the
IM 0.5mL injection
The Vivotif series needs to be completed _______
number of weeks prior to travel and the Typhim Vi needs
to be completed ______ number of weeks prior to
exposure. - ANSWER ->1 week, 2 weeks
If a booster is required, A person needs booster of Vivotif
every ______ number of years and _______ number of
years for Typhim Vi - ANSWER ->5 years, 2 years
What are the storage requirements of the ORAL typhoid
vaccine and how do you administer the Oral Typhoid
vaccine? - ANSWER ->It needs to stay refrigerated,
administer with cool liquids 1-hour before a meal.
What does Ty21a stand for and what does ViCPS stand
for? - ANSWER ->Vivotif vaccine, Typhim Vi vaccine.
AND REVISED IN 2025
What type of pathogen causes Typhoid and Paratyphoid
fever and how is the diseases contracted? - ANSWER -
>Caused by a Bacteria; Typically contracted by
consuming food or water contaminated with feces from
infected individuals.
Where in the world might you contract Typhoid and
Paratyphoid fever and what factor increases your chance
to contract the disease? - ANSWER ->Southern Asia; the
longer you stay the higher your chance at contracting the
disease.
A person may have the Typhoid fever for how many days
before displaying any symptoms? - ANSWER ->6-30 days.
If Typhoid fever goes untreated, what is expected to
occur to the individual? - ANSWER ->After 2-3 weeks,
intestinal hemorrhages can occur
An individual went to the hospital and was diagnosed
with Malaria. The doctor was wrong and mistakes the
,patients symptoms for what other disease? - ANSWER -
>Typhoid fever
What is the main drug class used to treat Typhoid fever?
Also list the secondary drugs used if resistance has
occurred to the number one choice? - ANSWER -
>Fluoroquinolones are first line treatment.
Injectable 3rd generation cephalosporins can also be
used when resistance is observed.
How effective are the Typhoid vaccines and how
affective are they against Paratyphoid fever? - ANSWER -
>50%-80% Effective for typhoid fever and not affective
for Paratyphoid fever.
What is the ORAL Typhoid Fever vaccine called? -
ANSWER ->Vivotif
What type of vaccine is Vivotif? - ANSWER ->Oral
capsule, Live, Attenuated vaccine
Describe the age and dosing requirement of Vivotif? -
ANSWER ->Persons 6 years and older need 4 doses of
Vivotif oral capsule every 48 hours apart.
, What is the IM Typhoid Fever vaccine called? - ANSWER -
>Typhim Vi
What type of vaccine is Typhim Vi? - ANSWER ->Vi
capsular polysaccharide vaccine
Describe the age and dosing requirements of Typhoid Vi?
- ANSWER ->Persons 2 years or older need 1 dose of the
IM 0.5mL injection
The Vivotif series needs to be completed _______
number of weeks prior to travel and the Typhim Vi needs
to be completed ______ number of weeks prior to
exposure. - ANSWER ->1 week, 2 weeks
If a booster is required, A person needs booster of Vivotif
every ______ number of years and _______ number of
years for Typhim Vi - ANSWER ->5 years, 2 years
What are the storage requirements of the ORAL typhoid
vaccine and how do you administer the Oral Typhoid
vaccine? - ANSWER ->It needs to stay refrigerated,
administer with cool liquids 1-hour before a meal.
What does Ty21a stand for and what does ViCPS stand
for? - ANSWER ->Vivotif vaccine, Typhim Vi vaccine.