Assessment of fever screening at airports in detecting domestic passengers infected with SARS-CoV-2, 2020-2022, Okinawa prefecture, Japan

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Assessment of fever screening at airports in detecting domestic passengers infected with SARS-CoV-2, 2020-2022, Okinawa prefecture, Japan

Material type: 博士論文

Author: 髙山, 義浩

Publisher: Springer Nature

Publication date: 2024-09-04

Material Format: Digital

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Name of awarding university/degree: Nagasaki University (長崎大学),博士(医学)

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Note (General)：: 出版タイプ： VoRBackground: While airport screening measures for COVID-19 infected passengers at international airports worldwide have been greatly relaxed,...

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Material Type: 博士論文
Title: Assessment of fever screening at airports in detecting domestic passengers infected with SARS-CoV-2, 2020-2022, Okinawa prefecture, Japan
Author/Editor: 髙山, 義浩
Publication, Distribution, etc.: Springer Nature
Publication Date: 2024-09-04
Publication Date (W3CDTF): 2024
Alternative Title: SARS-CoV-2に感染した国内線旅客の検出における空港での発熱スクリーニングの評価（2020-2022年）、沖縄県
Periodical title: BMC Infectious Diseases
No. or year of volume/issue: 24
Volume: 24
Pages: art. no. 542-
ISSN (Periodical Title): ISSN : 1471-2334
Degree grantor/type: Nagasaki University (長崎大学)
Dissertation Number: 甲医歯薬第1639号
Degree Type: 博士(医学)
Subject Heading: Fever screening
COVID-19
Airport
Prevention
Target Audience: 一般
Note (General): 出版タイプ： VoR
Background: While airport screening measures for COVID-19 infected passengers at international airports worldwide have been greatly relaxed, observational studies evaluating fever screening alone at airports remain scarce. The purpose of this study is to retrospectively assess the effectiveness of fever screening at airports in preventing the influx of COVID-19 infected persons. Methods: We conducted a retrospective epidemiological analysis of fever screening implemented at 9 airports in Okinawa Prefecture from May 2020 to March 2022. The number of passengers covered during the same period was 9,003,616 arriving at 9 airports in Okinawa Prefecture and 5,712,983 departing passengers at Naha Airport. The capture rate was defined as the proportion of reported COVID-19 cases who would have passed through airport screening to the number of suspected cases through fever screening at the airport, and this calculation used passengers arriving at Naha Airport and surveillance data collected by Okinawa Prefecture between May 2020 and March 2021. Results: From May 2020 to March 2021, 4.09 million people were reported to pass through airports in Okinawa. During the same period, at least 122 people with COVID-19 infection arrived at the airports in Okinawa, but only a 10 suspected cases were detected; therefore, the capture rate is estimated to be up to 8.2% (95% CI: 4.00-14.56%). Our result of a fever screening rate is 0.0002% (95%CI: 0.0003–0.0006%) (10 suspected cases /2,971,198 arriving passengers). The refusal rate of passengers detected by thermography who did not respond to temperature measurements was 0.70% (95% CI: 0.19–1.78%) (4 passengers/572 passengers). Conclusions: This study revealed that airport screening based on thermography alone missed over 90% of COVID-19 infected cases, indicating that thermography screening may be ineffective as a border control measure. The fact that only 10 febrile cases were detected after screening approximately 3 million passengers suggests the need to introduce measures targeting asymptomatic infections, especially with long incubation periods. Therefore, other countermeasures, e.g. preboarding RT-PCR testing, are highly recommended during an epidemic satisfying World Health Organization (WHO) Public Health Emergency of International Concern (PHEIC) criteria with pathogen characteristics similar or exceeding SARS-CoV-2, especially when traveling to rural cities with limited medical resources.
長崎大学学位論文学位記番号:博(医歯薬)甲第1639号学位授与年月日:令和6年9月4日
Author: Yoshihiro Takayama, Yining S. Xu, Yusuke Shimakawa, Gerardo Chowell, Masahiro Kozuka, Ryosuke Omori, Ryota Matsuyama, Taro Yamamoto and Kenji Mizumoto
Citation: BMC Infectious Diseases, 24, art. no. 542; 2024
Nagasaki University (長崎大学), 博士(医学) (2024-09-04)
Format (IMT): application/pdf
Source: fulltext
https://nagasaki-u.repo.nii.ac.jp/record/2001548/files/ISYK1639_Takayama.pdf
Access Restrictions: インターネット公開
Related Material (URI): HDL
http://hdl.handle.net/10069/0002001515
Related Material (DOI): 10.1186/s12879-024-09427-5
https://doi.org/10.1186/s12879-024-09427-5
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 長崎大学 : 長崎大学学術研究成果リポジトリ