About the Authors

Nicola Vousden

Roles Writing – original draft, Writing – review & editing

Affiliations School of Population Health & Environmental Sciences, Faculty of Life Sciences & Medicine, King's College London, London, United Kingdom, Policy Research Unit in Maternal Health and Care, National Perinatal Epidemiology Unit, University of Oxford, Oxford, United Kingdom

Kathryn Bunch

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

Affiliation Policy Research Unit in Maternal Health and Care, National Perinatal Epidemiology Unit, University of Oxford, Oxford, United Kingdom

Marian Knight

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Visualization, Writing – original draft, Writing – review & editing

marian.knight@npeu.ox.ac.uk

Affiliation Policy Research Unit in Maternal Health and Care, National Perinatal Epidemiology Unit, University of Oxford, Oxford, United Kingdom

the UKOSS Influenza Co-Investigators Group

Membership of the UKOSS Influenza Co-Investigators Group is provided in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.