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CIPHI BOC Study Questions Questions
and Correct Answers/ Latest Update /
Already Graded
Hepatitis A - Incubation period
Ans: 15-50 days
Usually 28-30 days
Hepatitis A - Symptoms
Ans: loss of appetite, fatigue, nausea, vomiting, abdominal pain, fever,
malaise and yellow skin (jaundice)
Hepatitis A - transmission
Ans: fecal-oral route
Infective: up to 2 weeks before onset to 1 week post-jaundice.
Humans are reservoir.
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Hepatitis A - suspect foods
Ans: Ice, shellfish contaminated with sewage.
Hepatitis A - exclusion criteria
Ans: 14 days if no jaundice. 7 days after jaundice onset.
Life-long immunity following recovery.
Last 2 - 6 months.
Norovirus - incubation period
Ans: 24-48 hours
Norovirus - symptoms
Ans: Sudden onset, watery diarrhea, vomiting, cramp, nausea, low fever.
Norovirus - transmission
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Ans: Very contagious. Low infective dose. Fecal-oral. Person-Person.
Humans only reservoir.
Norovirus - most at risk
Ans: o Children
o Older Adults
o Those with weakened immune systems.
o These higher risk groups are more likely to experience dehydration as a
result of severe vomiting and diarrhea
Salmonellosis types
Ans: S. enteritis
S. typhimurium
Salmonellosis incubation
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Ans: 6-72 hours
Usually 12-36 hours
Salmonellosis symptoms
Ans: Sudden onset, cramp, diarrhea, nausea, headache, possible vomit.
Salmonellosis transmission
Ans: Bacterial. Usually contaminated food, raw bean sprouts. Human and
animal reservoir. Pet contact.
Salmonellosis suspect foods
Ans: Raw egg, unpasteurized milk, unwashed fruit/veg. Raw meat.
Shigellosis IP
Ans: 12-96 hours (usually 1-3 days)
CIPHI BOC Study Questions Questions
and Correct Answers/ Latest Update /
Already Graded
Hepatitis A - Incubation period
Ans: 15-50 days
Usually 28-30 days
Hepatitis A - Symptoms
Ans: loss of appetite, fatigue, nausea, vomiting, abdominal pain, fever,
malaise and yellow skin (jaundice)
Hepatitis A - transmission
Ans: fecal-oral route
Infective: up to 2 weeks before onset to 1 week post-jaundice.
Humans are reservoir.
,2 | Page
Hepatitis A - suspect foods
Ans: Ice, shellfish contaminated with sewage.
Hepatitis A - exclusion criteria
Ans: 14 days if no jaundice. 7 days after jaundice onset.
Life-long immunity following recovery.
Last 2 - 6 months.
Norovirus - incubation period
Ans: 24-48 hours
Norovirus - symptoms
Ans: Sudden onset, watery diarrhea, vomiting, cramp, nausea, low fever.
Norovirus - transmission
,3 | Page
Ans: Very contagious. Low infective dose. Fecal-oral. Person-Person.
Humans only reservoir.
Norovirus - most at risk
Ans: o Children
o Older Adults
o Those with weakened immune systems.
o These higher risk groups are more likely to experience dehydration as a
result of severe vomiting and diarrhea
Salmonellosis types
Ans: S. enteritis
S. typhimurium
Salmonellosis incubation
, 4 | Page
Ans: 6-72 hours
Usually 12-36 hours
Salmonellosis symptoms
Ans: Sudden onset, cramp, diarrhea, nausea, headache, possible vomit.
Salmonellosis transmission
Ans: Bacterial. Usually contaminated food, raw bean sprouts. Human and
animal reservoir. Pet contact.
Salmonellosis suspect foods
Ans: Raw egg, unpasteurized milk, unwashed fruit/veg. Raw meat.
Shigellosis IP
Ans: 12-96 hours (usually 1-3 days)
