What question did this study set out to answer?

This study aimed to investigate influenza trends before and during the COVID-19 pandemic in Tokyo, Japan.

January 1, 2024Influenza and Other Respiratory VirusesOpen Access

Surveillance of seasonal influenza viruses during the COVID‐19 pandemic in Tokyo, Japan, 2018–2023, a single‐center study

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Authors

HTHidenori TakahashiSeiwa Hospital HNHiroki NagamatsuSeiwa Hospital YYYuka YamadaToho University

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Implication

Single-center study shows trends of influenza cases in Tokyo during the COVID-19 pandemic, suggesting decreased influenza activity and immunity risks in the population.

Key Points

This study aimed to investigate influenza trends before and during the COVID-19 pandemic in Tokyo, Japan.
Cross-sectional design including patients visiting Tokyo Shinagawa Hospital from April 1, 2018 to March 31, 2023.
Influenza and COVID-19 tests were conducted using Quick Navi-Flu2 and PCR methods.
Data were collected on patient background, hospitalizations, and deaths from medical records.
A total of 12,577 influenza tests were performed, identifying 962 positive cases.
No influenza cases were reported for 27 months from March 2020 to November 2022.
The positivity rate during the 2022-2023 winter season was lower than pre-COVID-19 levels, particularly among elderly patients with no hospitalizations or deaths recorded.

Cite This Study

Takahashi et al. (2024) studied this question.

synapsesocial.com/papers/6a2211189e220ae9ef4947e4 https://doi.org/10.1111/irv.13248

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Implication

Single-center study shows trends of influenza cases in Tokyo during the COVID-19 pandemic, suggesting decreased influenza activity and immunity risks in the population.

Surveillance of seasonal influenza viruses during the COVID‐19 pandemic in Tokyo, Japan, 2018–2023, a single‐center study

Discussion

Member takes

Implication

Key Points

Cite This Study

Surveillance of seasonal influenza viruses during the COVID‐19 pandemic in Tokyo, Japan, 2018–2023, a single‐center study

Discussion

Member takes

Implication

Key Points

Cite This Study

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