Typing tool

Dual-typing results are shown in a new format (e.g., GII.2[P31]).

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Reference sequences ( updated  genogroup/genotype names)

Norovirus (RdRp)       Norovirus (VP1)       Sapovirus (VP1)

[GI.P] (14+4 NA*)       GI (9)       GI (7)
1..2..3..4..5..6..7..8
9..10..11..12..13..14
NA1.NA2.NA3.NA4
      1..2..3..4..5..6..7..8..9       1..2..3..4..5..6..7

[GII.P] (37+9 NA*)       GII (26+2 NA*)       GII (8)
1..2..3..4..5..6..7..8
11..12..13..15..16
17..18..20..21..22
23..24..25..26..27
28..29..30..31..32
33..34..35..36..37
38..39..40..41
NA1..NA2..NA3..NA4
NA5..NA6..NA7..NA8
NA9
      1..2..3..4..5..6..7..8..9
10..11..12..13..14..16
17..18..19..20..21..22
23..24..25..26..27
NA1..NA2
      1..2..3..4..5..6..7..8

GIV

GV   |   1..2

 * NA is not assigned      
GIV
 
   GVIII
1..2..NA1  
     

   GIX      


The family Caliciviridae comprises 11 genera (ICTV ratified in March 2019) of which viruses from the genus Norovirus and genus Sapovirus and a few rare strains in the genus Recovirus have been detected in fecal specimen from humans. Noroviruses can genetically be classified into 10 genogroups (G), 48 genotypes and 60 P-types and sapovirus into 19 genogroups and 35 genotypes. Of these, noroviruses GI, GII, GIV, GVIII, and GIX (formerly GII.15) and sapovirus GI, GII, GIV and GV infect humans.


Last updated: Tuesday, 1 September 2020