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 sapoviruses into 19 genogroups and 35 genotypes.


Last updated: September 21, 2020