Table 4. Characterization of 31 assemblage B isolates based on the ß-giardin, gdh, and tpi gene sequences*.
| Isolate | Isolate/Subtype/GenBank accession number | MLG | Intestinal symptoms | Origin of infection | ||
| ß-giardin | tpi | gdh | ||||
| Sweh001Sweh021, 022aSweh041Sweh051, 056, 057, 058aSweh156Sweh159, 160aSweh213Sweh217 | B1-3EU881698 | Ad-19/BIVAF069560 | Ad-7/BIVL40508 | 1 | NoYes, YesYesYes, No, No, NoYesYes, NoYesYes | SwitzerlandSweden, MaltabSwedenSwedenSpainSwedenSwedenUSA |
| Sweh059 | B1-3 | Ad-19/BIV | gd-ber12, DQ923581 | 2 | Yes | Finland |
| Sweh144 | B1-3 | GS/M/BIV/L02116 | gd-ber12 | 3 | Yes | Sweden |
| Sweh158Sweh199, 200, 202a | B1-1EU637579 | Novel BHM140723 | Ad-7/BIV | 4 | YesYes, No, No | USASweden |
| Sweh168 | B1-1 | Ad-19/BIV | gd-ber12 | 5 | Yes | Sweden |
| Sweh154 | B1-1 | M12/BIV EU834845 | gd-ber12 | 6 | Yes | Sweden |
| Sweh074 | B1-1 | Ad-19/BIV | Ad-7/BIV | 7 | Yes | Mauritius |
| Sweh179 | B1-1 | GS/M BIV | Vanc89/UBC/059AY178750 | 8 | Yes | Nicaragua |
| Sweh033 | B1-2EU881697 | ST25DQ789114 | Vanc89/UBC/059BIV | 9 | Yes | Canada |
| Sweh192 | B1-5EU881700 | Ad-19/BIV | gd-ber12 | 10 | Yes | Sweden |
| Sweh047, 048, 049a | B1-5 | GS/M/BIV | gd-ber12 | 11 | Yes, Yes, No | Sweden |
| Sweh060 | BG-Ber6 DQ090527 | 2434AY368165 | Novel BHM136881 | 12 | Yes | Sweden |
| Sweh136 | ISSGF4/B4 AY072728 | BAH12/BIII AF069561 | Novel BHM136884 | 13 | Yes | Germany |
| Sweh107 | Novel B HM165222 | Novel BHM140716 | BAH12/BIII AF069059 | 14 | Yes | India |
*The sequences contained no ambiguous positions at any loci. Identical sequences are marked in the same color.
a
Family cluster.
b
Country of infection for index case.