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Sara Y Tartof, Gabriella Goodwin, Jeff Slezak, Vennis Hong, Timothy B Frankland, Bradley Ackerson, Sally Shaw, Banshri Kapadia, Brigitte C Spence, Gregg S Davis, and Hina Chowdhry are employees of KPSC, which received funding from Pfizer in connection with the development of this manuscript. Bradley Ackerson received research support for work unrelated to this study provided by Pfizer, Moderna, Dynavax, Seqirus, GlaxoSmithKline, Genentech, F2G, Merck, AstraZeneca. Jeff Slezak received research support from Dynavax for work unrelated to this study. Timothy B Frankland previously owned stock in Pfizer Inc., Ishares Biotechnology ETF, Abbvie, CVS, Merck & Co. Inc. Timothy B Frankland owns stock in Astrazeneca Plc ADR, Regeneron Pharmaceutical, Stryker Corp. Sara Y Tartof received research support from Pfizer for work unrelated to this study. Joseph A Lewnard received honoraria from Pfizer for work unrelated to this study, as well as other honoraria from Valneva, Vaxcyte, and CSL Seqirus.","order":1,"name":"Ethics","label":"Conflict of Interest","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"KPSC\u2019s institutional review board approved this study and waived informed consent requirements (IRB #13943). This study was performed in accordance with the Helsinki Declaration of 1964 and its later amendments.","order":2,"name":"Ethics","label":"Ethical Approval","group":{"name":"EthicsHeading","label":"Declarations"}}]}}