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Micro Unit 3 > GI viruses > Flashcards

GI viruses Flashcards

1
Q

Rashes, lesions, photophobia, tachycardia

A

Picornavirus

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2
Q

Under 2 years old

A

Rotavirus

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3
Q

Occurs in winter months of temperate climates

A

Rotavirus

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4
Q

More common in older children and adults

A

Calicivirus

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5
Q

Traveler’s diarrhea (non E. coli)

A

Rotavirus

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6
Q

Associated with food or water contamination

A

Calicivirus

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7
Q

3-10 incubation period followed by 10-14 day mild-moderate diarrhea

A

Adenovirus

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8
Q

Uses the CAR receptor and kills epithelial cells

A

Adenovirus

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9
Q

Can use PCR, Latex agglutination or ELISA types 40 and 41

A

Adenovirus

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10
Q

What kills adenovirus

A

10% chlorine bleach and hand washing

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11
Q

Symptoms last 1-3 days, 48 hour incubation

A

Calicivirus

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12
Q

Vomiting more common in children, diarrhea more common in adults

A

Calicivirus

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13
Q

Includes low fever, chills, myalgia and malaise

A

Calicivirus

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14
Q

Infants may have symptoms up to 6 weeks

A

Calicivirus

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15
Q

Leading cause of foodborne disease

A

Calicivirus

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16
Q

Very short term immunity, 2-3 months

A

Calicivirus

17
Q

Bind to ABO blood groups

A

Norovirus

18
Q

Lesions in the jejunum

A

Norovirus

19
Q

1 virion is contagious with very stable fomites

A

Norovirus

20
Q

Intestinal epithelia is site of infection and remains positive throughout disease progression

A

Picornavirus

21
Q

spreads to Lymphoid peyer’s patches

A

Picornavirus

22
Q

Uses inactivated virus (IPV) for prevention

A

Poliovirus/picornavirus

23
Q

Incubation 2 days, vomiting is first symptom

A

Rotavirus

24
Q

By age 3, almost everyone has been infected

A

Rotavirus

25
Q

Initial infection of mature villis tip cells

A

Rotavirus

26
Q

NSP4 protein

A

Rotavirus

27
Q

Can be vaccinated for at an early age to mitigate symptoms

A

Rotavirus

28
Q

Acute liver failure is rare (.5%)

A

Hep A (Picornavirus)

29
Q

15-50 day incubation

A

Hep A (picornavirus)

30
Q

Infects endoreticular system and then spreads to liver

A

Hep A (picornavirus)

31
Q

Can be shed in stool, urine, [saliva and semen]>2 weeks before and after jaundice

A

Hep A (picornavirus)

32
Q

May lead to cirrhosis or hepatocellular carcinoma

A

Hep B (hepedna)

33
Q

Positive HBV serology for 4-15 weeks after infection

A

Hep B (hepedna)

34
Q

HBV surface antigen indicating they are infectious

A

HBsAg

35
Q

Indicates recovery and immunity from Hep B or vaccination

A

Anti-HBs

36
Q

Indicates previous or ongoing Hep B infection

A

Anti-HBc

37
Q

ALT 200-400

A

Hep B (hepedna)

38
Q

ALT >400

A

Hep C (flavivirus)

39
Q

Incidence rate peaks in autumn

A

Hep A (picornavirus)

Micro Unit 3 (6 decks)

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