NBME 20 Norovirus (NBME Answers)

NBME 20 Answers

nbme20/Block 2/Question#2 (reveal difficulty score)
Following a wedding reception that was ...
Norovirus 🔍 / 📺 / 🌳 / 📖
tags: micro

+4 upvote downvote
submitted by ∗chandlerbas(118)

get full access to all content ⋅ pick a username

i think because they were so specific in detail for when the sx began, theyre trying to test us if we know the onset of rota vs norovirus. also if you look at the transmission of rotavirus its FO and respiratory, so unless youre playing with poop at a wedding, its much more likely food was the transmission. sketchy says anytime you touch food with your hands its noro

heres a table for reference. https://contemporaryclinic.pharmacytimes.com/journals/issue/2016/february2016/best-approaches-to-acute-gastroenteritis

get full access to all content ⋅ pick a username

dhkahat well i personally enjoy tossing the feces around at weddings but what do i know +5

+2 upvote downvote
submitted by ∗strugglebus(189)

get full access to all content ⋅ pick a username

[moved to subcomment]

get full access to all content ⋅ pick a username

+2 upvote downvote
submitted by ∗beeip(141)

get full access to all content ⋅ pick a username

How to differentiate between Norovirus and Rotavirus here? Must be related to the the contagious nature of the illness?

get full access to all content ⋅ pick a username

strugglebus You know it’s Noro because people are vaccinated against Rota at 2,4,6 months. +8

beeip @strugglebus: I didn't know about the vaccine schedule. Thanks! +1

strugglebus As an addendum, you know it’s not staph aureus b/c that is rapid onset within 4 hours. +5

asapdoc @Beeip If you go to the vaccines page in first aid it gives you all the high yield vaccinations. I didnt realize to correlate that page to a lot of questions until I got this answer wrong +5

savdaddy its norovirus b/c it can survive ~2 weeks without a host, which is why we see family members with symptoms 3 days after the initial virus. +

savdaddy ***after the initial outbreak +1

eacv for me this was a discart qx: 1.Giardia lamblia not showed steatorrhea and it needs medication to go away. 2. Rotavirus normally in unvaccinated kids. 3. Shiguella VERY inflammatory stool test do not show anything 4.S areus is very FAST 2-6 hr after eat the contaminated food. +4

link981 Norovirus is the most common cause of viral gastroenteritis in the USA due to vaccination. + Rotavirus is the most common cause of viral gastroenteritis in the rest of the world. In this question you had to know the most common cause. +2

+2 upvote downvote
submitted by ∗usmleuser007(464)

get full access to all content ⋅ pick a username

Norovirus (Sketchy) = Affects where a lot of people are in close quarters - especially common on cruises - 90% of all diarrheal outbreaks on cruises

get full access to all content ⋅ pick a username

sbryant6 Rotavirus occurs in unvaccinated children. In order for it to spread, all those kids would have to be unvaxxed. +1

+0 upvote downvote
submitted by ∗usmleaspirer(1)

get full access to all content ⋅ pick a username

i think i have seen this in zanki cards...

Rotavirus- most common cause of viral diarrhea(watery) in CHILDREN.

Norovirus- most common cause of viral diarrhea(watery) in ADULTS.

get full access to all content ⋅ pick a username

+0 upvote downvote
submitted by ∗strugglebus(189)

get full access to all content ⋅ pick a username

[moved to subcomment]

get full access to all content ⋅ pick a username

+0 upvote downvote
submitted by ∗mdmikek89(6)

get full access to all content ⋅ pick a username

This question is testing whether you know the difference in who the virus infects. Notice it says 25 adults...Norovirus. Rota is preschoolers.

get full access to all content ⋅ pick a username

+0 upvote downvote
submitted by ∗link981(208)

get full access to all content ⋅ pick a username

Norovirus is the most common cause of viral gastroenteritis in the USA due to vaccination. + Rotavirus is the most common cause of viral gastroenteritis in the rest of the world. In this question you had to know the most common cause

get full access to all content ⋅ pick a username

+0 upvote downvote
submitted by ∗beeip(141)

get full access to all content ⋅ pick a username

[moved to subcomment]

get full access to all content ⋅ pick a username

Must-See Comments from nbme20

amorah on Cytomegalovirus infection
masonkingcobra on Contact with parakeets
hayayah on Capillary hydrostatic: increased; ...
hayayah on X chromosome-linked isoenzymes
medbitch94 on Mannose 6-phosphate
hello on Capillary hydrostatic: increased; ...
hayayah on Osteoblasts
imgdoc on Hypophosphatemia
hayayah on Missense
celeste on 50%
justgettinby on Omeprazole
andrewk1 on Cold, dry air
yotsubato on Jugular venous pressure of 12 mm Hg
strugglebus on Drug effect