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Flashcards in GI viruses Deck (39)
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1

Rashes, lesions, photophobia, tachycardia

Picornavirus

2

Under 2 years old

Rotavirus

3

Occurs in winter months of temperate climates

Rotavirus

4

More common in older children and adults

Calicivirus

5

Traveler's diarrhea (non E. coli)

Rotavirus

6

Associated with food or water contamination

Calicivirus

7

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

Adenovirus

8

Uses the CAR receptor and kills epithelial cells

Adenovirus

9

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

Adenovirus

10

What kills adenovirus

10% chlorine bleach and hand washing

11

Symptoms last 1-3 days, 48 hour incubation

Calicivirus

12

Vomiting more common in children, diarrhea more common in adults

Calicivirus

13

Includes low fever, chills, myalgia and malaise

Calicivirus

14

Infants may have symptoms up to 6 weeks

Calicivirus

15

Leading cause of foodborne disease

Calicivirus

16

Very short term immunity, 2-3 months

Calicivirus

17

Bind to ABO blood groups

Norovirus

18

Lesions in the jejunum

Norovirus

19

1 virion is contagious with very stable fomites

Norovirus

20

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

Picornavirus

21

spreads to Lymphoid peyer's patches

Picornavirus

22

Uses inactivated virus (IPV) for prevention

Poliovirus/picornavirus

23

Incubation 2 days, vomiting is first symptom

Rotavirus

24

By age 3, almost everyone has been infected

Rotavirus

25

Initial infection of mature villis tip cells

Rotavirus

26

NSP4 protein

Rotavirus

27

Can be vaccinated for at an early age to mitigate symptoms

Rotavirus

28

Acute liver failure is rare (.5%)

Hep A (Picornavirus)

29

15-50 day incubation

Hep A (picornavirus)

30

Infects endoreticular system and then spreads to liver

Hep A (picornavirus)