Quantitative Epidemiological Understanding of Influenza Propagation Process in Tokyo and Environs
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- Kobari Tsuyoshi
- Kosumo Chouzai Yakkyoku Co,. Ltd.
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- Takahashi Mizuho
- Nikko Citizen's Hospital
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- Ijuin Kazushige
- Tanashi Yakuhin Co,. Ltd.
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- Takeuchi Hisako
- Triad Japan Co., Ltd.
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- Iwaki Kazuo
- School of Pharmaceutical Sciences, Ohu University
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- Ishii Fumiyoshi
- Department of Pharmaceutical Sciences, Meiji Pharmaceutical University
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- Matsuda Rieko
- National Institute of Health Sciences
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- Hayashi Yuzuru
- National Institute of Health Sciences
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- Yajima Takehiko
- Faculty of Pharmaceutical Sciences, Toho University
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Abstract
Here we show a quantitative, spatial interpretation of influenza propagation process in Tokyo and its environs in the season from November 1st, 2004 to October 31st, 2005. The time lags (day) of influenza propagation between distant sites are calculated by the cross-correlation functions of the daily variations in the amount of drug sale at community pharmacies. The influenza infection appears to have spread from the urban area of Tokyo to its suburbs in the season of 2004-05. From the time lags and distances of the pharmacy locations, the mean propagation speed is estimated to be 3.5 km/day. <br>
Journal
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- Journal of Health Science
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Journal of Health Science 52 (5), 637-641, 2006
The Pharmaceutical Society of Japan
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Keywords
Details 詳細情報について
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- CRID
- 1390001204498027648
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- NII Article ID
- 110004809621
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- NII Book ID
- AA11316464
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- ISSN
- 13475207
- 13449702
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- NDL BIB ID
- 8073940
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed
