Yura (Yongra) Ko

Publikationer
Populärvetenskap och samverkan

Artiklar

Journal article: OPEN FORUM INFECTIOUS DISEASES. 2025;:ofaf240
Previously undiagnosed disease “X” in the Democratic Republic of the Congo: malaria’s potential role in the outbreak
Ko YK; Gitaka J; Kanoi BN; Ngasala BE; Kanamori M; Kagaya W; Kaneko A
Journal article: MALARIA JOURNAL. 2025;24(1):42
Where is the hard-to-reach population? Spatial analysis from a cross-sectional study on the access to bed net and malaria vaccine in the Lake Victoria Region, Kenya
Ko YK; Kagaya W; Yoneoka D; Kongere J; Opiyo V; Oginga J; Omondi P; Musyoka KB; Chan CW; Kanoi BN; Gitaka J; Kaneko A
Journal article: BMJ OPEN. 2025;15(1):e087832
Evaluation of the protective efficacy of OlysetPlus ceiling nets for reduction of malaria incidence in children in Homa Bay County, Kenya: a cluster-randomised controlled study protocol
Ko YK; Kagaya W; Omondi P; Musyoka KB; Okai T; Chan CW; Kongere J; Opiyo V; Oginga J; Mungai S; Kanoi BN; Kanamori M; Yoneoka D; Kenya Natl Bureau Stat KNBS KK; Keitany KK; Songok E; Okomo GO; Minakawa N; Gitaka J; Kaneko A
Journal article: BMJ PUBLIC HEALTH. 2024;2(2):e001557
Unraveling the 'community effects' of interventions against malaria endemicity: a systematic scoping review.
Ko YK; Kagaya W; Chan CW; Kanamori M; Mbugua SM; Rotich AK; Kanoi BN; Ngara M; Gitaka J; Kaneko A
Journal article: SCIENTIFIC REPORTS. 2023;13(1):17762
Evaluating the COVID-19 vaccination program in Japan, 2021 using the counterfactual reproduction number.
Kayano T; Ko Y; Otani K; Kobayashi T; Suzuki M; Nishiura H
Journal article: SCIENTIFIC REPORTS. 2023;13(1):13230
Time-varying overdispersion of SARS-CoV-2 transmission during the periods when different variants of concern were circulating in Japan.
Ko YK; Furuse Y; Otani K; Yamauchi M; Ninomiya K; Saito M; Imamura T; Cook AR; Ahiko T; Fujii S; Mori Y; Suzuki E; Yamada K; Ashino Y; Yamashita H; Kato Y; Mizuta K; Suzuki M; Oshitani H
Journal article: EMERGING INFECTIOUS DISEASES. 2023;29(8):1648-1650
SARS-CoV-2 Variants and Age-Dependent Infection Rates among Household and Nonhousehold Contacts.
Miyahara R; Tamura K; Kato T; Nakazaki M; Otani K; Ko YK; Kamigaki T; Arima Y; Tani H; Oishi K; Suzuki M
Journal article: INFLUENZA AND OTHER RESPIRATORY VIRUSES. 2022;16(6):1026-1032
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
Ko YK; Kinoshita R; Yamauchi M; Otani K; Kamigaki T; Kasuya K; Yoneoka D; Arima Y; Kobayashi Y; Arashiro T; Otsuka M; Shimbashi R; Suzuki M
Journal article: LANCET REGIONAL HEALTH-WESTERN PACIFIC. 2022;28:100571
Number of averted COVID-19 cases and deaths attributable to reduced risk in vaccinated individuals in Japan
Kayano T; Sasanami M; Kobayashi T; Ko YK; Otani K; Suzuki M; Nishiura H
Journal article: EMERGING INFECTIOUS DISEASES. 2022;28(9):1777-1784
Age-Dependent Effects of COVID-19 Vaccine and of Healthcare Burden on COVID-19 Deaths, Tokyo, Japan
Ko YK; Murayama H; Yamasaki L; Kinoshita R; Suzuki M; Nishiura H
Journal article: WESTERN PACIFIC SURVEILLANCE AND RESPONSE. 2022;13(3):41-50
Replacement of SARS-CoV-2 strains with variants carrying N501Y and L452R mutations in Japan: an epidemiological surveillance assessment br
Kobayashi Y; Arashiro T; Otsuka M; Tsuchihashi Y; Takahashi T; Arima Y; Ko YK; Otani K; Yamauchi M; Kamigaki T; Morita-Ishihara T; Takahashi H; Uchikoba S; Shimatani M; Takeshita N; Suzukia M; Ohnishi M
Journal article: JAPANESE JOURNAL OF INFECTIOUS DISEASES. 2022;75(3):281-287
Epidemiological Factors Associated with COVID-19 Clusters in Medical and Social Welfare Facilities
Imamura T; Ko YK; Furuse Y; Imamura T; Jindai K; Miyahara R; Sando E; Yasuda I; Tsuchiya N; Saito M; Suzuki M; Oshitani H
Journal article: WESTERN PACIFIC SURVEILLANCE AND RESPONSE. 2022;13(1):1-6
Integration of publicly available case-based data for real-time coronavirus disease 2019 risk assessment, Japan
Ninomiya K; Kanamori M; Ikeda N; Jindai K; Ko YK; Otani K; Furuse Y; Akaba H; Miyahara R; Saito M; Suzuki M; Oshitani H
Journal article: INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES. 2022;116:365-373
Secondary transmission of SARS-CoV-2 during the first two waves in Japan: Demographic characteristics and overdispersion
Ko YK; Furuse Y; Ninomiya K; Otani K; Akaba H; Miyahara R; Imamura T; Imamura T; Cook AR; Saito M; Suzuki M; Oshitani H
Journal article: JOURNAL OF INFECTION. 2022;84(2):248-288
COVID-19 case-clusters and transmission chains in the communities in Japan
Furuse Y; Tsuchiya N; Miyahara R; Yasuda I; Sando E; Ko YK; Imamura T; Morimoto K; Imamura T; Shobugawa Y; Nagata S; Tokumoto A; Jindai K; Suzuki M; Oshitani H
Journal article: JMA J. 2021;4(3):198-206
Epidemiology of Coronavirus Disease 2019 in Japan: Descriptive Findings and Lessons Learned through Surveillance during the First Three Waves.
Arima Y; Kanou K; Arashiro T; K Ko Y; Otani K; Tsuchihashi Y; Takahashi T; Miyahara R; Sunagawa T; Suzuki M
Journal article: INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH. 2021;18(9):4655
Relationship of Test Positivity Rates with COVID-19 Epidemic Dynamics
Furuse Y; Ko YK; Ninomiya K; Suzuki M; Oshitani H
Journal article: EMERGING INFECTIOUS DISEASES. 2021;27(3):915-918
Familial Clusters of Coronavirus Disease in 10 Prefectures, Japan, February-May 2020
Miyahara R; Tsuchiya N; Yasuda I; Ko YK; Furuse Y; Sando E; Nagata S; Imamura T; Saito M; Morimoto K; Imamura T; Shobugawa Y; Nishiura H; Suzuki M; Oshitani H
Journal article: FRONTIERS IN PEDIATRICS. 2021;9:705882
Roles of Children and Adolescents in COVID-19 Transmission in the Community: A Retrospective Analysis of Nationwide Data in Japan
Imamura T; Saito M; Ko YK; Imamura T; Otani K; Akaba H; Ninomiya K; Furuse Y; Miyahara R; Sando E; Yasuda I; Tsuchiya N; Suzuki M; Oshitani H
Journal article: JAPANESE JOURNAL OF INFECTIOUS DISEASES. 2020;73(5):391-393
Epidemiology of COVID-19 Outbreak in Japan, from January-March 2020
Furuse Y; Ko YK; Saito M; Shobugawa Y; Jindai K; Saito T; Nishiura H; Sunagawa T; Suzuki M; Oshitani H
Journal article: EMERGING INFECTIOUS DISEASES. 2020;26(9):2176-2179
Clusters of Coronavirus Disease in Communities, Japan, January-April 2020
Furuse Y; Sando E; Tsuchiya N; Miyahara R; Yasuda I; Ko YK; Saito M; Morimoto K; Imamura T; Shobugawa Y; Nagata S; Jindai K; Imamura T; Sunagawa T; Suzuki M; Nishiura H; Oshitani H
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Preprint: MEDRXIV. 2025
Power and sample size considerations for test-negative design with bias correction: a case study on the world first malaria vaccine
Ko YK; Alfvén T; Yoneoka D

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