The COVID-19 pandemic brought unprecedented challenges to the world. Many jurisdictions implemented control measures, such as border closures, lockdowns, school and business closures, travel restrictions, mask wearing, and social distancing. This was associated with changes in the prevalence of other respiratory viruses, predominantly influenza viruses1,2 but others as well.3
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CME Disclosure Statement: Unless noted, all individuals in control of content reported no relevant financial relationships. If applicable, all relevant financial relationships have been mitigated.
Accepted for Publication: May 4, 2021.
Published: June 28, 2021. doi:10.1001/jamanetworkopen.2021.15973
Open Access: This is an open access article distributed under the terms of the CC-BY License. © 2021 Wan WY et al. JAMA Network Open.
Corresponding Author: Matthias Maiwald, MD, Department of Pathology and Laboratory Medicine, KK Women’s and Children’s Hospital, 100 Bukit Timah Rd, Singapore 229899, Singapore (email@example.com).
Author Contributions: Drs Wan and Maiwald had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.
Concept and design: Wan, Thoon, Chan, Maiwald.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Wan, Maiwald.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Wan, Ramasamy.
Administrative, technical, or material support: Wan, Loo, Chan, Oon, Maiwald.
Supervision: Oon, Maiwald.
Conflict of Interest Disclosures: None reported.
Additional Contributions: We thank the Department of Laboratory Medicine, National University Hospital, Singapore, for the generous provision of the respiratory virus data from the hospital.
Credit Designation Statement: The American Medical Association designates this Journal-based CME activity activity for a maximum of 1.00 AMA PRA Category 1 Credit(s)™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.
Successful completion of this CME activity, which includes participation in the evaluation component, enables the participant to earn up to:
It is the CME activity provider's responsibility to submit participant completion information to ACCME for the purpose of granting MOC credit.
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