SARS-CoV-2 Cumulative Infection Over the Pandemic and Its Associated Factors Among Healthcare Workers in Japan
Among healthcare workers in Japan, cumulative SARS-CoV-2 infection markedly increased after the emergence of the Omicron variant, whereas the proportion of undiagnosed cases has decreased throughout the pandemic. Younger people (<50 years), as well as physicians and nurses, have faced a higher risk of infection.
Authors
- Akihiko Nishikimi (ORCID: https://orcid.org/0000-0001-9497-7557)
- Shohei Yamamoto (ORCID: https://orcid.org/0000-0001-6503-8577)
- Tetsuya Mizoue (ORCID: https://orcid.org/0000-0002-1198-2228)
- Naho Morisaki (ORCID: https://orcid.org/0000-0001-6151-4513)
- Makiko Sampei (ORCID: https://orcid.org/0000-0002-5939-8776)
- Kengo Miyo (ORCID: https://orcid.org/0000-0001-6111-3154)
- Haruhiko Tokuda (ORCID: https://orcid.org/0000-0001-7552-9003)
- Ryo Okubo (ORCID: https://orcid.org/0000-0002-1254-1926)
- Mayo Hirabayashi (ORCID: https://orcid.org/0000-0002-6765-6499)
- Kunihiro Nishimura (ORCID: https://orcid.org/0000-0002-0639-0949)
- Koushi Yamaguchi (ORCID: https://orcid.org/0000-0002-9471-1078)
- Soshiro Ogata (ORCID: https://orcid.org/0000-0002-0100-376X)
- Maki Konishi (ORCID: https://orcid.org/0009-0009-6118-4513)
- Takeshi Nakagawa (ORCID: https://orcid.org/0000-0001-5533-3169)
- Zobida Islam (ORCID: https://orcid.org/0000-0002-6785-1753)
- Norio Ohmagari (ORCID: https://orcid.org/0000-0002-4622-8970)
- Yohei Sasaki (ORCID: https://orcid.org/0000-0002-4954-6472)
- Kazuyoshi Takeda (ORCID: https://orcid.org/0000-0002-5539-310X)
- Manami Inoue (ORCID: https://orcid.org/0000-0003-1276-2398)
- K. Teramoto (ORCID: https://orcid.org/0000-0002-4217-9497)
- Yunfei Li (ORCID: https://orcid.org/0000-0002-0542-4641)
- Takashi Mita
Institutions
- Prevention Institute (US)
- Osaka University of Human Sciences (JP)
- Institute for Security Studies (KE)
- National Center of Neurology and Psychiatry (JP)
- National Cerebral and Cardiovascular Center (JP)
- National Center For Child Health and Development (JP)
- National Institute of Child Health (PK)
- National Center for Geriatrics and Gerontology (JP)
- Nippon Sport Science University (JP)
Publication Details
- Journal
- Journal of Epidemiology
- Published
- 2025-10-17
- DOI
- https://doi.org/10.2188/jea.je20250007
- Primary Topic
- COVID-19 epidemiological studies
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- National Center for Global Health and Medicine