Respiratory virus detection during the COVID-19 pandemic in Queensland, Australia

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El-Heneidy, Asmaa
Ware, Robert S
Robson, Jennifer M
Cherian, Sarah G
Lambert, Stephen B
Grimwood, Keith
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2021
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https://creativecommons.org/licenses/by/4.0/
Abstract

Objective: To determine if non-pharmaceutical interventions (NPIs) impacted on respiratory virus detections in Queensland, Australia, during the COVID-19 pandemic year of 2020.

Methods: We analysed weekly counts of influenza, human metapneumovirus, parainfluenza, respiratory syncytial virus, rhinovirus, and adenovirus available from a Queensland laboratory network for the year 2020. These were compared with averaged counts from 2015 to 2019.

Results: Overall, 686,199 tests were performed. The timing of NPI implementation was associated with a sharp and sustained decline in influenza, where during the typical annual influenza season (weeks 23–40) no cases were detected from 163,296 tests compared with an average of 26.1% (11,844/45,396) of tests positive in 2015–2019. Similar results were observed for human metapneumovirus and parainfluenza. Respiratory syncytial virus detections also declined but increased in weeks 48–52 (5.6%; 562/10,078) to exceed the 2015–2019 average (2.9%; 150/5,018). Rhinovirus detections increased after schools reopened, peaking in weeks 23–27 (57.4%; 36,228/63,115), exceeding the 2017–2019 detections during that period (21.9%; 8,365/38,072).

Conclusions: NPIs implemented to control COVID-19 were associated with altered frequency and proportions of respiratory virus detections.

Implications for public health: NPIs derived from influenza pandemic plans were associated with profound decreases in influenza detections during 2020.

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Australian and New Zealand Journal of Public Health
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© 2021 The Authors. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.
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Subject
Public health
Respiratory diseases
Epidemiology
Health services and systems
Science & Technology
Life Sciences & Biomedicine
Public, Environmental & Occupational Health
COVID-19
respiratory viruses
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El-Heneidy, A; Ware, RS; Robson, JM; Cherian, SG; Lambert, SB; Grimwood, K, Respiratory virus detection during the COVID-19 pandemic in Queensland, Australia, Australian and New Zealand Journal of Public Health, 2021
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