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Pediatr Infect Dis J. 2001 Sep;20(9):849-53.

Clinical severity of Norwalk virus and Sapporo virus gastroenteritis in children in Hokkaido, Japan.

Author information

1
Department of Pediatrics, Sapporo Medical University School of Medicine, S.1 W.16, Chuo-ku, Sapporo, 060-8543, Japan.

Abstract

OBJECTIVE:

To clarify the clinical significance and etiologic impact of Norwalk virus (NV) and Sapporo virus (SV) in viral gastroenteritis in Japanese children.

STUDY DESIGN:

Two outbreaks each of NV gastroenteritis and SV gastroenteritis occurring in an infant home in Sapporo, Japan, as well as 95 hospitalized children with acute gastroenteritis were retrospectively evaluated using a 0- to 20-point clinical severity scoring system.

RESULTS:

The mean severity scores for NV and SV gastroenteritis outbreaks were 7.9 and 5.2, respectively, as compared with 8.4 for rotavirus A gastroenteritis that occurred in the same infant home. Among 95 hospitalized children with acute gastroenteritis, rotavirus A was detected in 47% followed by NV in 18%. SV was not found.

CONCLUSION:

Our data indicate that NV can cause severe gastroenteritis and is an important etiologic agent in hospitalized cases, whereas SV causes mild gastroenteritis in Japanese children.

[Indexed for MEDLINE]

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