I've recently had the great displeasure of catching norovirus from my family over this christmas season, and the symptoms only lstted one day. Similarly, during the time I lived in student residence, outbreaks of it were common (and fleeting). People are usually quite sick for just a day or two in the typical dramatic noro fashion, and then become asymptomatic.

Most other diseases' symptomatic periods tend to last about a week or more - like a cold, or some common flu, or even covid-19. Why is norovirus so quick, in comparison? Is this something to do with the nature of it infecting the GI as opposed to the respritory tract?

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knyghtmaireA66 t1_j1vpdu1 wrote on December 27, 2022 at 7:24 PM

I believe it is more severe when you're young, but norovirus is something which people tend to catch multiple times as they grow up, building more and more of an immunity. So basically, your immune system is just more ready for it than other illnesses, and so it can fight it very quickly.

[deleted] t1_j1wtfzm wrote on December 27, 2022 at 11:59 PM

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[deleted] t1_j1xpnm6 wrote on December 28, 2022 at 4:10 AM

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science-raven t1_j226p7u wrote on December 29, 2022 at 2:49 AM

Its highly infectious compared to covid, as much or more, and it is established not zoonotic, its more stable, less unpredictable, more virulent without provoking disturbing signs that cause isolation. I got rotavirus for xmas. 44. Fever 4 - 5 days.