Volume 16, Number 1—January 2010
Research
Norovirus Gastroenteritis Outbreak with a Secretor-independent Susceptibility Pattern, Sweden
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.