Katsuma Hayashi

Kyoto, 6068501, Japan

Last Updated: 09/26/2026

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Found 24 publications

Modeling the emergence of divergent mutants of SARS-CoV-2, "Omicron-like events": A time-to-event analysis.

Modeling the emergence of divergent mutants of SARS-CoV-2, "Omicron-like events": A time-to-event analysis.

Journal: Journal of infection and public health

Published: January 17, 2025

Decomposing mechanisms of COVID-19 mortality in empirical datasets: A modeling study.

Decomposing mechanisms of COVID-19 mortality in empirical datasets: A modeling study.

Journal: Journal of theoretical biology

Published: October 27, 2023

Habitual Mask Wearing as Part of COVID-19 Control in Japan: An Assessment Using the Self-Report Habit Index.

Habitual Mask Wearing as Part of COVID-19 Control in Japan: An Assessment Using the Self-Report Habit Index.

Journal: Behavioral sciences (Basel, Switzerland)

Published: October 11, 2023

Possible adaptation measures for climate change in preventing heatstroke among older adults in Japan.

Possible adaptation measures for climate change in preventing heatstroke among older adults in Japan.

Journal: Frontiers in public health

Published: March 13, 2023

Letter to the Editor: Knowledge gap in assessing the risk of a human pandemic via mammals' infection with highly pathogenic avian influenza A(H5N1).

Letter to the Editor: Knowledge gap in assessing the risk of a human pandemic via mammals' infection with highly pathogenic avian influenza A(H5N1).

Journal: Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin

Published: March 02, 2023

Identifying High-Risk Events for COVID-19 Transmission: Estimating the Risk of Clustering Using Nationwide Data.

Identifying High-Risk Events for COVID-19 Transmission: Estimating the Risk of Clustering Using Nationwide Data.

Journal: Viruses

Published: December 12, 2022

Quantifying the future risk of dengue under climate change in Japan.

Quantifying the future risk of dengue under climate change in Japan.

Journal: Frontiers in public health

Published: June 02, 2022

Projecting the COVID-19 immune landscape in Japan in the presence of waning immunity and booster vaccination.

Projecting the COVID-19 immune landscape in Japan in the presence of waning immunity and booster vaccination.

Journal: Journal of theoretical biology

Published: May 24, 2022

Assessing Public Health and Social Measures Against COVID-19 in Japan From March to June 2021.

Assessing Public Health and Social Measures Against COVID-19 in Japan From March to June 2021.

Journal: Frontiers in medicine

Published: May 06, 2022

High population burden of Omicron variant (B.1.1.529) is associated with the emergence of severe hepatitis of unknown etiology in children.

High population burden of Omicron variant (B.1.1.529) is associated with the emergence of severe hepatitis of unknown etiology in children.

Journal: International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases

Published: May 04, 2022

Time-dependent risk of COVID-19 death with overwhelmed health-care capacity in Japan, 2020-2022.

Time-dependent risk of COVID-19 death with overwhelmed health-care capacity in Japan, 2020-2022.

Journal: BMC infectious diseases

Published: April 20, 2022

Response to COVID-19 during the Tokyo Olympic Games: Did we properly assess the risk?

Response to COVID-19 during the Tokyo Olympic Games: Did we properly assess the risk?

Journal: Epidemics

Published: March 28, 2022

Showing 1-12 of 24

Last Updated: 09/26/2026