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. 2021 Jan 7;384(1):80-82.
doi: 10.1056/NEJMc2032195. Epub 2020 Dec 3.

Durability of Responses after SARS-CoV-2 mRNA-1273 Vaccination

Alicia T Widge  1 , Nadine G Rouphael  2 , Lisa A Jackson  3 , Evan J Anderson  2 , Paul C Roberts  4 , Mamodikoe Makhene  4 , James D Chappell  5 , Mark R Denison  5 , Laura J Stevens  5 , Andrea J Pruijssers  5 , Adrian B McDermott  4 , Britta Flach  4 , Bob C Lin  4 , Nicole A Doria-Rose  4 , Sijy O'Dell  4 , Stephen D Schmidt  4 , Kathleen M Neuzil  6 , Hamilton Bennett  7 , Brett Leav  7 , Mat Makowski  8 , Jim Albert  8 , Kaitlyn Cross  8 , Venkata-Viswanadh Edara  2 , Katharine Floyd  2 , Mehul S Suthar  2 , Wendy Buchanan  4 , Catherine J Luke  4 , Julie E Ledgerwood  4 , John R Mascola  4 , Barney S Graham  4 , John H Beigel  4 ; mRNA-1273 Study Group
Collaborators, Affiliations

Durability of Responses after SARS-CoV-2 mRNA-1273 Vaccination

Alicia T Widge et al. N Engl J Med. .
No abstract available

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Figures

Figure 1
Figure 1. Time Course of SARS-CoV-2 Antibody Binding and Neutralization Responses after mRNA-1273 Vaccination.
Shown are data from 34 participants who were stratified according to age: 18 to 55 years of age (15 participants), 56 to 70 years of age (9 participants), and 71 years of age or older (10 participants). All the participants received 100 μg of mRNA-1273 on days 1 and 29, indicated by arrows. The titers shown are the binding to spike receptor–binding domain (RBD) protein (the end-point dilution titer) assessed on enzyme-linked immunosorbent assay (ELISA) on days 1, 15, 29, 36, 43, 57, and 119 (Panel A); the 50% inhibitory dilution (ID50) titer on pseudovirus neutralization assay on days 1, 15, 29, 36, 43, 57, and 119 (Panel B); the ID50 titer on focus reduction neutralization test mNeonGreen (FRNT-mNG) assay on days 1, 29, 43, and 119 (Panel C); and the 80% inhibitory dilution (ID80) titer on plaque-reduction neutralization testing (PRNT) assay on days 1, 43, and 119 (Panel D). Data for days 43 and 57 are missing for 1 participant in the 18-to-55-year stratum for whom samples were not obtained at those time points. Each line represents a single participant over time.
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