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Volume 18, Number 11—November 2012

Dispatch

Pandemic Influenza Virus Surveillance, Izu-Oshima Island, Japan

Tomoko Inamasu1, Kouji Sudo, Shingo Kato, Hiroshi Deguchi, Manabu Ichikawa, Tadanori Shimizu, Tadami Maeda, Shuhei Fujimoto, Toru Takebayashi, and Tomoya Saito2Comments to Author 
Author affiliations: Author affiliations: Keio University Global Security Research Institute, Tokyo, Japan (T. Inamasu, K. Sudo, S. Kato, H. Deguchi, T. Saito); Keio University School of Medicine, Tokyo (K. Sudo, S. Kato, T. Takebayashi, T. Saito); Tokyo Institute of Technology, Kanagawa, Japan (H. Deguchi, M. Ichikawa); Oshima Medical Center, Tokyo (T. Shimizu); Maeda Internal Medicine Clinic, Tokyo (T. Maeda); Tokai University School of Medicine, Kanagawa (S. Fujimoto)

Main Article

Table 1

Rapid diagnostic test results and prescription of anti-influenza agents in Izu-Oshima

Influenza season and influenza virus type* Prescriptions written at clinics, no. (%)
Total
Oseltamivir† Zanamivir‡ Peramivir§ Laninamivir¶# None
2008–09

A

193 (53.5) § 45 (12.5)§ 0 0 124 (34.3) 361

B

39 (32.5) 29 (24.2) 0 0 52 (43.3) 120

A + B

2 (3.3) 0 0 0 4 (66.7) 6

Negative

32 (5.5) 10 (1.7) 0 0 537 (92.8) 579
2009–10

A

219 (48.5) 209 (46.2) 0 0 24 (5.3) 452

Negative

42 (4.7) 33 (3.7) 0 0 828 (91.7) 903
2010–11

A

147 (66.2) 52 (23.4) 3 (1.4) 0 20 (9.0) 222

B

60 (38.0) 82 (51.9) 1 (0.6) 1 (0.6) 14 (8.9) 158

Negative

44 (7.2) 18 (3.0) 0 0 548 (89.8) 610

*Influenza virus type determined by rapid diagnostic test.
†Tamiflu, Chugai Pharmaceutical Co., Tokyo, Japan.
‡Relenza, GlaxoSmithKline, Research Triangle Park, NC, USA.
§Rapiacta, BioCryst Pharmaceuticals Inc., Durham, NC, USA; marketed since January 27, 2010.
¶Inavir, Daiichi Sankyo Co., Ltd., Tokyo, Japan; marketed since October 19, 2010.
#IIncludes 1 case for which Tamiflu and Relenza were prescribed.

Main Article

1Current affiliation: Juntendo University Graduate School of Medicine, Tokyo.

2Current affiliation: Tokyo Institute of Technology, Yokohama, Japan.

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