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DERS Lecture 12: GI Infections IV
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Practice Q1
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Ans: E
- Clos perf- anaerobic
A - aerobic, preformed toxin more rapid onset
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Terms in this set (53)
Practice Q1
Ans: E
- Clos perf- anaerobic
A - aerobic, preformed toxin more rapid onset
What are the 4 viruses that cause food-borne illness leading to non-inflammatory diarrhea?
1. Norovirus
2. Rotavirus
3. Adenovirus
4. Astrovirus
Norovirus
Family?
Type?
Size?
Enveloped or non-enveloped?
Nucleocapsid?
It has 5 ...................., of which ................... is the most common
Calciviridae
ss +ve sense RNA
Small
Non-enveloped -> naked
Icosahedral
Genera (genogroups) -> Norovirus, sapovirus, lagovirus, vesivirus and nebovirus
GII.4
Norovirus affects ................... and ....................
The estimated infectious dose is as .............. as ......................
Older children (children < 5 years) and adults
Low
18 viral particles
Accounts for 90% of outbreaks of viral gastroenteritis and for about 50% of all microbial FBI (food-borne illness) outbreaks worldwide
Norovirus causes both ................. and ......................
Does it have a preferred season?
Vomiting and diarrhea
Winter -> AKA "winter vomiting disease"
