mRNA vaccines induce durable immune memory to SARS-CoV-2 and variants of concern

Author:

Goel Rishi R.12ORCID,Painter Mark M.12ORCID,Apostolidis Sokratis A.123ORCID,Mathew Divij12ORCID,Meng Wenzhao14ORCID,Rosenfeld Aaron M.14ORCID,Lundgreen Kendall A.5ORCID,Reynaldi Arnold6ORCID,Khoury David S.6,Pattekar Ajinkya2ORCID,Gouma Sigrid5ORCID,Kuri-Cervantes Leticia15ORCID,Hicks Philip5ORCID,Dysinger Sarah5ORCID,Hicks Amanda2ORCID,Sharma Harsh2ORCID,Herring Sarah2ORCID,Korte Scott2ORCID,Baxter Amy E.1ORCID,Oldridge Derek A.14ORCID,Giles Josephine R.178ORCID,Weirick Madison E.5ORCID,McAllister Christopher M.5ORCID,Awofolaju Moses5ORCID,Tanenbaum Nicole5ORCID,Drapeau Elizabeth M.5ORCID,Dougherty Jeanette1ORCID,Long Sherea1ORCID,D’Andrea Kurt1ORCID,Hamilton Jacob T.25ORCID,McLaughlin Maura1,Williams Justine C.2ORCID,Adamski Sharon2ORCID,Kuthuru Oliva1ORCID,Frank Ian9ORCID,Betts Michael R.15ORCID,Vella Laura A.10ORCID,Grifoni Alba11ORCID,Weiskopf Daniela11ORCID,Sette Alessandro1112ORCID,Hensley Scott E.5ORCID,Davenport Miles P.6ORCID,Bates Paul5ORCID,Luning Prak Eline T.14ORCID,Greenplate Allison R.12ORCID,Wherry E. John1278ORCID,

Affiliation:

1. Institute for Immunology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.

2. Immune Health, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.

3. Division of Rheumatology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.

4. Department of Pathology and Laboratory Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.

5. Department of Microbiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.

6. Kirby Institute, University of New South Wales, Sydney, NSW, Australia.

7. Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.

8. Parker Institute for Cancer Immunotherapy, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.

9. Division of Infectious Disease, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.

10. Division of Infectious Disease, Department of Pediatrics, Children’s Hospital of Philadelphia, Philadelphia, PA, USA.

11. Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA, USA.

12. Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California San Diego (UCSD), La Jolla, CA, USA.

Abstract

Immune memory after vaccination Vaccination against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has proven highly effective at preventing severe COVID-19. However, the evolution of viral variants, and waning antibody levels over time, raise questions regarding the longevity of vaccine-induced immune protection. Goel et al . examined B and T lymphocyte responses in individuals who received SARS-CoV-2 messenger RNA vaccines. They performed a 6-month longitudinal study of individuals who never had SARS-CoV-2 infection compared with people who had recovered from SARS-CoV-2. Humoral and cellular immune memory was observed in vaccinated individuals, as were functional immune responses against the Alpha (B.1.1.7), Beta (B.1.351), and Delta (B.1.617.2) viral variants. Analysis of T cell activity suggested that robust cellular immune memory may prevent hospitalization by limiting the development of severe disease. —PNK

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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