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Volume 16, Number 1—January 2010

Research

Norovirus Gastroenteritis Outbreak with a Secretor-independent Susceptibility Pattern, Sweden

Johan Nordgren, Elin Kindberg, Per-Eric Lindgren, Andreas Matussek, and Lennart SvenssonComments to Author 
Author affiliations: University of Linköping, Linköping, Sweden (J. Nordgren, E. Kindberg, P.-E. Lindgren, L. Svensson); National Board of Forensic Medicine, Linköping (E. Kindberg); County Hospital Ryhov, Jönköping, Sweden (P.-E. Lindgren, A. Matussek); Capio St Görans Hospital, Stockholm, Sweden (A. Matussek)

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Table 3

Relationship between clinical symptoms of norovirus infection and secretor status and blood type distribution among 83 participants in a case–control study of a norovirus gastroenteritis outbreak in Sweden, 2007*

Data No. (%) persons reporting symptom
Diarrhea Vomiting Joint pain Headache
Blood type
A, n = 14 9 (64) 12 (86) 9 (64) 7 (50)
B, n = 2† 1 (50) 0 (0) 0 (0) 0(0)
O, n = 9‡
6 (67)
6 (67)
4 (44)
5 (56)
Secretor, n = 25‡ 16 (64) 18 (72) 13 (52) 12 (48)
Nonsecretor, n = 7
4 (57)
5 (71)
5 (71)
2 (29)
Total 20 (63) 23 (72) 18 (56) 14 (44)

*HBGA, histo-blood group antigen.
†One person with HBGA type B experienced only nausea and stomachache.
‡One secretor-positive person with HBGA type O did not provide a description of symptoms.

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