Given the cyclic nature of pertussis, an increasing trend in reported disease could have been expected in 2020; however, this pattern was disrupted during the COVID-19 pandemic when there were notable declines in reported pertussis [ 3 ].
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SARS-CoV-2 coinfections among pertussis cases identified through the Enhanced Pertussis Surveillance system in the United States, January 2020-February 2023.
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