Footnotes

• Correction notice Since this article was first published, a set of competing interests have been added for the author.

• Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

• Competing interests The author reports honoraria/consulting from Merck, Sanofi-Pasteur, Bristol Myers-Squibb, and Antigen Discovery; research funding (institutional) from Pfizer; and unpaid scientific advisory services to Janssen, Astra-Zeneca, One Day Sooner, and Covaxx (United Biomedical). He is on the Scientific Advisory Committee for CEPI, the Coalition for Epidemic Preparedmess Innovations. He is also affiliated with the US Centers for Disease Control and Prevention through an Intergovernmental Personnel Agreement with Harvard University. This article reflects his personal views and is written purely in his academic capacity, not reflecting the views of any organization or government agency.

• Provenance and peer review Commissioned; internally peer reviewed.