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Volume 13, Number 5—May 2007

Letter

Recombinant Sapovirus Gastroenteritis, Japan

Grant S. Hansman*Comments to Author , Setsuko Ishida†, Shima Yoshizumi†, Masahiro Miyoshi†, Tetsuya Ikeda†, Tomoichiro Oka*, and Naokazu Takeda*
Author affiliations: *National Institute of Infectious Diseases, Tokyo, Japan; †Hokkaido Institute of Public Health, Hokkaido, Japan;

Main Article

Table

Analysis of 18 stool specimens for sapovirus during 2 outbreaks of gastroenteritis, Japan*

Outbreak, specimen Date of illness onset EM Nested RT-PCR Real-time PCR (cDNA copies/g stool)
A
  Yak1 Jun 2, 2000 + 7.47 × 109
  Yak2 May 29, 2000
  Yak3 May 30, 2000
  Yak4 May 31, 2000 + + 6.55 × 109
  Yak5 Jun 1, 2000 + 9.38 × 108
  Yak6 Jun 1, 2000 + 1.30 × 108
  Yak7 May 29, 2000 + 1.46 × 109
  Yak8 May 29, 2000 + + 2.78 × 1010
  Yak9 Jun 1, 2000 + + 3.00 × 109
  Yak10 Jun 1, 2000 + + 2.05 × 109
  Yak11 Jun 1, 2000 + + 5.36 × 105
B
  Nay1 Feb 17, 2005 NT + 1.65 × 1010
  Nay2 Feb 14, 2005 NT + 1.82 × 109
  Nay3 Feb 18, 2005 NT + 1.14 × 109
  Nay4 Feb 17, 2005 NT + 5.41 × 1010
  Nay5 Feb 16, 2005 NT + 5.26 × 1010
  Nay6 Feb 18, 2005 NT + 2.50 × 1010
  Nay7 Feb 17, 2005 NT + 2.38 × 1010

*EM, electron microscopy; RT-PCR, reverse transcription–PCR; NT, not tested.

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