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A member asked:
What number of different strains of norovirus are there?
4 doctors weighed in across 2 answers
Complex question: There's not a simple answer to this. There is only one species of norovirus, but there are at least 8 serotypes, five genogroups, and many genotypes. I know, that did not help much. Sorry.
Answered 1/5/2019
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Norovirus: As of 2016 there were 25 strains of Norovirus that were known to cause disease in humans.
Answered 3/8/2021
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