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Published on: November 7, 2020
Waning infant pertussis during COVID-19 pandemic
Kathy Falkenstein-Hagander1, Emma Appelqvist2, Ann-Sofie Frisk Cavefors3
1Public Health Agency of Sweden, Solna, Sweden kathy.falkenstein-hagander@skane.se.
Abstract:
Measures to reduce the spread of COVID-19 have been associated with reduction in other respiratory infections. Results of a national Swedish cohort study of infant pertussis during April 2020-September 2021 were compared with those during January 2014-March 2020. The number of pertussis cases decreased significantly during the COVID-19 pandemic, from an average of 21 infant cases per quarter of a year before the pandemic to an average of 1 case per quarter during the pandemic. Swedish strategies to mitigate the spread of COVID-19 seem to have had an impact on pertussis incidence in infants.
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