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Chika Hirokawa

Differences in neutralizing antigenicity between laboratory and clinical isolates of HCoV-229E isolated in Japan in 2004–2008 depend on the S1 region sequence of the spike protein
2012 · Kazuya Shirato, Miyuki Kawase, et al. · Journal of General Virology · 41
Seropositivity and epidemiology of human parechovirus types 1, 3, and 6 in Japan
2016 · K. WATANABE, C. HIROKAWA, et al. · Epidemiology and Infection · 37
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Epidemic of influenza A(H1N1)pdm09 analyzed by full genome sequences and the first case of oseltamivir-resistant strain in Myanmar 2017
2020 · Su Mon Kyaw Win, Reiko Saito, et al. · PLoS ONE · 23
Diversity and distribution of ticks in Niigata prefecture, Japan (2016–2018): Changes since 1950
2021 · Megumi Sato, Sumire Ikeda, et al. · Ticks and Tick-borne Diseases · 19
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Spotted fever group rickettsiae (SFGR) detection in ticks following reported human case of Japanese spotted fever in Niigata Prefecture, Japan
2021 · Reiko Arai, Megumi Sato, et al. · Scientific Reports · 18
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Clinical Characteristics of Saffold Virus Infection in Children
2019 · Satoko Ugai, Atsushi Iwaya, et al. · The Pediatric Infectious Disease Journal · 10
Nationwide and long-term molecular epidemiologic studies of mumps viruses that circulated in Japan between 1986 and 2017
2022 · Minoru Kidokoro, Teiichiro Shiino, et al. · Frontiers in Microbiology · 9
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Estimation of Focus Reduction Neutralization Test for Measurement of Neutralizing Antibody Titer against Japanese Encephalitis Virus
2008 · Kanako Watanabe, Chika Hirokawa, et al. · Japanese Journal of Infectious Diseases · 8
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Isolation of Saffold Virus Type 2 from Children with Acute Respiratory Infections by Using the RD-18S-Niigata Cell Line
2015 · Yoko Aoki, Yohei Matoba, et al. · Japanese Journal of Infectious Diseases · 7
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Distribution pattern and diversity of Borrelia spp. detected from ticks in Niigata prefecture, Japan
2025 · Sumire Ikeda, Megumi Sato, et al. · BMC Research Notes · 2
Clinical Characteristics of Saffold Virus Infection in Children
2015 · Satoko Kojima, Atsushi Iwaya, et al. · Open Forum Infectious Diseases
Works count: 11
Citation count: 174
H-index: 8
I10-index: 6
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