Year Item Type Full Text

2023

Letter to the editor: Importance of considering high-risk behaviours in COVID-19 vaccine effectiveness estimates with observational studies. (2023) Arashiro, Takeshi; Arima, Yuzo; Kuramochi, Jin; Muraoka, Hirokazu; Sato, Akihiro; Chubachi, Kumi; Oba, Kunihiro; Yanai, Atsushi; Arioka, Hiroko; Uehara, Yuki; Ihara, Genei; Kato, Yasuyuki; Yanagisawa, Naoki; Nagura, Yoshito; Yanai, Hideki; Ueda, Akihiro; Numata, Akira; Kato, Hideaki; Oka, Hideaki; Nishida, Yusuke; Ooki, Takao; Nidaira, Yuki; Stucky, Ashley; Suzuki, Tadaki; Smith, Chris; Hibberd, Martin; Ariyoshi, Koya; Suzuki, Motoi

Effectiveness of BA.1- and BA.4/BA.5-containing bivalent COVID-19 mRNA vaccines against symptomatic SARS-CoV-2 infection during the BA.5-dominant period in Japan. (2023) Arashiro, Takeshi; Arima, Yuzo; Kuramochi, Jin; Muraoka, Hirokazu; Sato, Akihiro; Chubachi, Kumi; Yanai, Atsushi; Arioka, Hiroko; Uehara, Yuki; Ihara, Genei; Kato, Yasuyuki; Yanagisawa, Naoki; Ueda, Akihiro; Kato, Hideaki; Oka, Hideaki; Nishida, Yusuke; Nidaira, Yuki; Asami, Takahiro; Jinta, Torahiko; Nakamura, Akira; Oba, Kunihiro; Taniyama, Daisuke; Yamamoto, Kei; Tanaka, Katsushi; Ueshima, Kankuro; Fuwa, Tetsuji; Stucky, Ashley; Suzuki, Tadaki; Smith, Chris; Hibberd, Martin; Ariyoshi, Koya; Suzuki, Motoi

2022

Coronavirus Disease 19 (COVID-19) Vaccine Effectiveness Against Symptomatic Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infection During Delta-Dominant and Omicron-Dominant Periods in Japan: A Multicenter Prospective Case-control Study (Factors Associated with SARS-CoV-2 Infection and the Effectiveness of COVID-19 Vaccines Study). (2022) Arashiro, Takeshi; Arima, Yuzo; Muraoka, Hirokazu; Sato, Akihiro; Oba, Kunihiro; Uehara, Yuki; Arioka, Hiroko; Yanai, Hideki; Kuramochi, Jin; Ihara, Genei; Chubachi, Kumi; Yanagisawa, Naoki; Nagura, Yoshito; Kato, Yasuyuki; Ueda, Akihiro; Numata, Akira; Kato, Hideaki; Ishii, Koji; Ooki, Takao; Oka, Hideaki; Nishida, Yusuke; Stucky, Ashley; Smith, Chris; Hibberd, Martin; Ariyoshi, Koya; Suzuki, Motoi

Behavioral factors associated with SARS-CoV-2 infection in Japan. (2022) Arashiro, Takeshi; Arima, Yuzo; Muraoka, Hirokazu; Sato, Akihiro; Oba, Kunihiro; Uehara, Yuki; Arioka, Hiroko; Yanai, Hideki; Yanagisawa, Naoki; Nagura, Yoshito; Kato, Yasuyuki; Kato, Hideaki; Ueda, Akihiro; Ishii, Koji; Ooki, Takao; Oka, Hideaki; Nishida, Yusuke; Stucky, Ashley; Miyahara, Reiko; Smith, Chris; Hibberd, Martin; Ariyoshi, Koya; Suzuki, Motoi

Social and Behavioral Factors Associated with Lack of Intent to Receive COVID-19 Vaccine, Japan. (2022) Arashiro, Takeshi; Arima, Yuzo; Stucky, Ashley; Smith, Chris; Hibberd, Martin; Ariyoshi, Koya; Suzuki, Motoi

Impact of the Coming-of-Age Day and ceremony on the risk of SARS-CoV-2 transmission in Japan: A natural-experimental study based on national surveillance data. (2022) Ko, Yura K; Kinoshita, Ryo; Yamauchi, Masato; Otani, Kanako; Kamigaki, Taro; Kasuya, Kazuki; Yoneoka, Daisuke; Arima, Yuzo; Kobayashi, Yusuke; Arashiro, Takeshi; Otsuka, Miyako; Shimbashi, Reiko; Suzuki, Motoi