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Adverse events after BNT162b2 mRNA COVID-19 vaccination in health care workers and medical students in Japan.
Namiki, Takahiro; Komine-Aizawa, Shihoko; Takada, Kazuhide; Takano, Chika; Trinh, Quang Duy; Hayakawa, Satoshi.
  • Namiki T; Nihon University School of Medicine, Tokyo, Japan.
  • Komine-Aizawa S; Division of Microbiology, Department of Pathology and Microbiology, Nihon University School of Medicine, Tokyo, Japan. Electronic address: aizawa.shihoko@nihon-u.ac.jp.
  • Takada K; Division of Microbiology, Department of Pathology and Microbiology, Nihon University School of Medicine, Tokyo, Japan.
  • Takano C; Division of Microbiology, Department of Pathology and Microbiology, Nihon University School of Medicine, Tokyo, Japan.
  • Trinh QD; Division of Microbiology, Department of Pathology and Microbiology, Nihon University School of Medicine, Tokyo, Japan.
  • Hayakawa S; Division of Microbiology, Department of Pathology and Microbiology, Nihon University School of Medicine, Tokyo, Japan.
J Infect Chemother ; 28(8): 1220-1224, 2022 Aug.
Article in English | MEDLINE | ID: covidwho-1983458
ABSTRACT
To control the coronavirus disease 2019 (COVID-19) pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the promotion of vaccination is important. However, adverse reactions following vaccination remain a concern. To investigate adverse events in the vaccinated Japanese population, we conducted a survey-based study among health care workers, including medical doctors and nurses; other medical staff; and medical university faculty, staff, and students in a single medical school and affiliated hospital in Japan. In addition, we analyzed the association of different adverse events with individual factors (e.g., age, sex) by performing network analysis. While young age and female sex are often considered risk factors for more severe adverse events, the regression models showed neither age nor sex was associated with local injection-site reactions after the second dose in this study. In contrast to local reactions, systemic adverse events were associated with young age and female sex. However, myalgia was unique in that it was not associated with younger age even though the network analysis showed that myalgia was consistently related to arthralgia and belonged to the group of systemic events after both the first and second vaccine doses. Further study is needed to ensure safe and effective vaccination to aid in controlling the COVID-19 pandemic.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Students, Medical / Health Personnel / COVID-19 / BNT162 Vaccine Type of study: Observational study / Prognostic study Topics: Vaccines Limits: Female / Humans Country/Region as subject: Asia Language: English Journal: J Infect Chemother Journal subject: Microbiology / Drug Therapy Year: 2022 Document Type: Article Affiliation country: J.jiac.2022.05.002

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Students, Medical / Health Personnel / COVID-19 / BNT162 Vaccine Type of study: Observational study / Prognostic study Topics: Vaccines Limits: Female / Humans Country/Region as subject: Asia Language: English Journal: J Infect Chemother Journal subject: Microbiology / Drug Therapy Year: 2022 Document Type: Article Affiliation country: J.jiac.2022.05.002