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Single-Facility Analysis of COVID-19 Status of Healthcare Employees during the Eighth and Ninth Pandemic Waves in Japan after Introducing Regular Rapid Antigen Testing.
Nagasawa, Masayuki; Kato, Tomoyuki; Sakaguchi, Hayato; Tanaka, Ippei; Watanabe, Mami; Hiroshima, Yoko; Sakurai, Mie.
Afiliación
  • Nagasawa M; Department of Infection Control, Musashino Red Cross Hospital, 1-26-1, Kyonan-cho, Musashino 180-8610, Tokyo, Japan.
  • Kato T; Department of Pediatrics, Musashino Red Cross Hospital, 1-26-1, Kyonan-cho, Musashino 180-8610, Tokyo, Japan.
  • Sakaguchi H; Department of Infection Control, Musashino Red Cross Hospital, 1-26-1, Kyonan-cho, Musashino 180-8610, Tokyo, Japan.
  • Tanaka I; Department of Pharmacy, Musashino Red Cross Hospital, 1-26-1, Kyonan-cho, Musashino 180-8610, Tokyo, Japan.
  • Watanabe M; Department of Infection Control, Musashino Red Cross Hospital, 1-26-1, Kyonan-cho, Musashino 180-8610, Tokyo, Japan.
  • Hiroshima Y; Department of Laboratory, Musashino Red Cross Hospital, 1-26-1, Kyonan-cho, Musashino 180-8610, Tokyo, Japan.
  • Sakurai M; Department of Infection Control, Musashino Red Cross Hospital, 1-26-1, Kyonan-cho, Musashino 180-8610, Tokyo, Japan.
Vaccines (Basel) ; 12(6)2024 Jun 09.
Article en En | MEDLINE | ID: mdl-38932374
ABSTRACT

BACKGROUND:

Community infections of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have increased rapidly since the emergence of the Omicron strain. During the eighth and ninth pandemic waves-when movement restrictions in the community were eased-the all-case registration system was changed, and the actual status of infection became uncertain.

METHODS:

We conducted regular rapid antigen tests (R-RATs) once or twice a week as self-testing to examine the actual state of coronavirus disease (COVID-19) diagnosis among healthcare employees.

RESULTS:

Overall, 320 (1.42/day) and 299 (1.76/day) employees were infected in the eighth and ninth pandemic waves. During both periods, 59/263 doctors (22.4%), 335/806 nurses (41.6%), 92/194 administrative employees (47.4%), and 129/218 clinical laboratory technicians (59.2%) were infected. In the eighth wave, 56 of 195 employees were infected through close contact; in the ninth wave, 26 of 62 employees were infected. No significant difference was observed in the number of vaccinations between infected and non-infected employees. The positivity rate of R-RATs was 0.41% and 0.45% in the eighth and ninth waves. R-RATs detected infection in 212 and 229 employees during the eighth and ninth waves, respectively; the ratio of R-RAT-detected positive employees to those who reported infection was significantly higher during the ninth wave (odds ratio 1.67, 95% confidence interval 1.17-2.37, p < 0.001).

CONCLUSIONS:

The number of infected healthcare employees remained high during the eighth and ninth pandemic waves in Japan. The R-RAT is considered effective for detecting mild or asymptomatic COVID-19 at an early stage and at a high rate in healthcare employees.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Vaccines (Basel) Año: 2024 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Suiza
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Vaccines (Basel) Año: 2024 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Suiza