[1] NIAID, Vaccine Res Ctr, NIH, 9000 Rockville Pike, Bethesda, MD 20892 USA
[2] Moderna Inc, Cambridge, MA USA
[3] Univ N Carolina, Gillings Sch Global Publ Hlth, Dept Epidemiol, Chapel Hill, NC 27515 USA
[4] Univ N Carolina, Sch Med, Dept Microbiol & Immunol, Chapel Hill, NC 27515 USA
[5] NIAID, NIH, 9000 Rockville Pike, Bethesda, MD 20892 USA
[6] George Washington Univ, Inst Biomed Sci, Washington, DC USA
[7] Vanderbilt Univ, Med Ctr, Dept Pediat, Nashville, TN 37232 USA
[8] Univ Texas Austin, Dept Mol Biosci, Austin, TX 78712 USA
[9] NIAID, Biostat Res Branch, Div Clin Res, NIH, 9000 Rockville Pike, Bethesda, MD 20892 USA