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Volume 20, Number 6—June 2014
Dispatch

Gastroenteritis Outbreaks Caused by a DS-1–like G1P[8] Rotavirus Strain, Japan, 2012–2013

Seiji P. YamamotoComments to Author , Atsushi Kaida, Hideyuki Kubo, and Nobuhiro Iritani
Author affiliations: Osaka City Institute of Public Health and Environmental Sciences, Osaka, Japan

Main Article

Table 1

Description of RVA–associated outbreaks in Osaka City, Japan, during 2009–2013*

Outbreak year, month Outbreak no. No. patients No. specimens collected/no. positive for RVA RVA genotype
2009
April
HC09022
24
6 (2)
G9-P[8]-I1
2010
April HC10032† 19 1 (1) G1-P[8]-I1
December
HC10062
Unknown
2 (2)
G2-P[4]-I2
2011
April HC11027 20 3 (2) G1-P[8]-I1
May
HC11030
18
3 (2)
G9-P[8]-I1
2012
March HC12010 18 3 (3) G1-P[8]-I1
April HC12012 26 5 (3) G1-P[8]-I2
April HC12013 41 5 (2) G1-P[8]-I2
April HC12014† 15 5 (1) G9-P[8]-I1
April HC12016† 18 3 (1) G1-P[8]-I2
April HC12018† 23 3 (1) G1-P[8]-I2
April HC12020 32 2 (2) G1-P[8]-I2
May HC12021 29 3 (2) G1-P[8]-I1
May
HC12022
18
2 (2)
G1-P[8]-I2
2013
March HC13027 33 5 (4) G1-P[8]-I1
May HC13037 26 5 (2) G1-P[8]-I2
May HC13040 8 2 (2) G1-P[8]-I2
May HC13041† 26 1 (1) G1-P[8]-I2
May HC13043 21 5 (2) G1-P[8]-I2
May HC13048 11 2 (2) G1-P[8]-I2
May HC13049 15 5 (3) G1-P[8]-I2

*All outbreaks occurred in nursery schools, except outbreak no. HC10062 (Dec 2010), which occurred in a primary school. RVA, rotavirus A.
†Only 1 sample had test results positive for RVA but the outbreak was confirmed on the basis of epidemiologic data from hospital clinics showing that other patients had RVA–positive test results.

Main Article

Page created: May 16, 2014
Page updated: May 16, 2014
Page reviewed: May 16, 2014
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