Science Questions

Do noroviruses show the same seasonality as flu?

Sun, 13th May 2007

Listen Now    Download as mp3 from the show Microscopic world of bacteria, fungi and viruses


Sam asked:

Norovirus have been compared to influenza viruses, so do noroviruses show the same seasonality as flu?


Yes they do.  Noroviruses used to be called winter vomiting disease, because they mainly occurred in the winter.  Influenza is so called because of “Influenza del freddo” – the influence of the cold in Italian,

The only time you get noroviruses significantly in the summer months is when you get a new strain from an RNA mutation.  More usually you get infections between October and March.


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