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Wuertz KM, Barkei EK, Chen WH, Martinez EJ, Lakhal-Naouar I, Jagodzinski LL, Paquin-Proulx D, Gromowski GD, Swafford I, Ganesh A, Dong M, Zeng X, Thomas PV, Sankhala RS, Hajduczki A, Peterson CE, Kuklis C, Soman S, Wieczorek L, Zemil M, Anderson A, Darden J, Hernandez H, Grove H, Dussupt V, Hack H, de la Barrera R, Zarling S, Wood JF, Froude JW, Gagne M, Henry AR, Mokhtari EB, Mudvari P, Krebs SJ, Pekosz AS, Currier JR, Kar S, Porto M, Winn A, Radzyminski K, Lewis MG, Vasan S, Suthar M, Polonis VR, Matyas GR, Boritz EA, Douek DC, Seder RA, Daye SP, Rao M, Peel SA, Joyce MG, Bolton DL, Michael NL, Modjarrad K. A SARS-CoV-2 spike ferritin nanoparticle vaccine protects hamsters against Alpha and Beta virus variant challenge. NPJ Vaccines 2021; 6:129. [PMID: 34711815 PMCID: PMC8553838 DOI: 10.1038/s41541-021-00392-7] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 09/23/2021] [Indexed: 11/16/2022] Open
Abstract
The emergence of SARS-CoV-2 variants of concern (VOC) requires adequate coverage of vaccine protection. We evaluated whether a SARS-CoV-2 spike ferritin nanoparticle vaccine (SpFN), adjuvanted with the Army Liposomal Formulation QS21 (ALFQ), conferred protection against the Alpha (B.1.1.7), and Beta (B.1.351) VOCs in Syrian golden hamsters. SpFN-ALFQ was administered as either single or double-vaccination (0 and 4 week) regimens, using a high (10 μg) or low (0.2 μg) dose. Animals were intranasally challenged at week 11. Binding antibody responses were comparable between high- and low-dose groups. Neutralizing antibody titers were equivalent against WA1, B.1.1.7, and B.1.351 variants following two high dose vaccinations. Dose-dependent SpFN-ALFQ vaccination protected against SARS-CoV-2-induced disease and viral replication following intranasal B.1.1.7 or B.1.351 challenge, as evidenced by reduced weight loss, lung pathology, and lung and nasal turbinate viral burden. These data support the development of SpFN-ALFQ as a broadly protective, next-generation SARS-CoV-2 vaccine.
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Affiliation(s)
- Kathryn McGuckin Wuertz
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Erica K Barkei
- Veterinary Pathology Division, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Wei-Hung Chen
- Emerging Infectious Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Elizabeth J Martinez
- Emerging Infectious Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Ines Lakhal-Naouar
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- Diagnostics Countermeasures Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Linda L Jagodzinski
- Diagnostics Countermeasures Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Dominic Paquin-Proulx
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Gregory D Gromowski
- Virus Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Isabella Swafford
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Akshaya Ganesh
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Oak Ridge Institute of Science and Education, Oak Ridge, TN, USA
| | - Ming Dong
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Xiankun Zeng
- Pathology Division, United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, MD, USA
| | - Paul V Thomas
- Emerging Infectious Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Rajeshwer S Sankhala
- Emerging Infectious Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Agnes Hajduczki
- Emerging Infectious Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Caroline E Peterson
- Emerging Infectious Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Caitlin Kuklis
- Virus Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Sandrine Soman
- Virus Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Lindsay Wieczorek
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Michelle Zemil
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Alexander Anderson
- Emerging Infectious Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Oak Ridge Institute of Science and Education, Oak Ridge, TN, USA
| | - Janice Darden
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- Diagnostics Countermeasures Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Heather Hernandez
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- Diagnostics Countermeasures Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Hannah Grove
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- Diagnostics Countermeasures Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Vincent Dussupt
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Holly Hack
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- Diagnostics Countermeasures Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Rafael de la Barrera
- Pilot Bioproduction Facility, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Stasya Zarling
- Pilot Bioproduction Facility, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - James F Wood
- Pilot Bioproduction Facility, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Jeffrey W Froude
- Pilot Bioproduction Facility, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Matthew Gagne
- Human Immunology Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Amy R Henry
- Human Immunology Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Elham Bayat Mokhtari
- Virus Persistence and Dynamics Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Prakriti Mudvari
- Virus Persistence and Dynamics Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Shelly J Krebs
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Andrew S Pekosz
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Jeffrey R Currier
- Virus Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | | | | | | | | | | | - Sandhya Vasan
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Mehul Suthar
- Emory Vaccine Center, Department of Pediatrics, Emory School of Medicine, Atlanta, GA, USA
| | - Victoria R Polonis
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Gary R Matyas
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Eli A Boritz
- Virus Persistence and Dynamics Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Daniel C Douek
- Human Immunology Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Robert A Seder
- Cellular Immunology Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Sharon P Daye
- One Health Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Mangala Rao
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Sheila A Peel
- Diagnostics Countermeasures Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - M Gordon Joyce
- Emerging Infectious Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Diane L Bolton
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Nelson L Michael
- Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA.
| | - Kayvon Modjarrad
- Emerging Infectious Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA.
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Wuertz KM, Barkei EK, Chen WH, Martinez EJ, Lakhal-Naouar I, Jagodzinski LL, Paquin-Proulx D, Gromowski GD, Swafford I, Ganesh A, Dong M, Zeng X, Thomas PV, Sankhala RS, Hajduczki A, Peterson CE, Kuklis C, Soman S, Wieczorek L, Zemil M, Anderson A, Darden J, Hernandez H, Grove H, Dussupt V, Hack H, de la Barrera R, Zarling S, Wood JF, Froude JW, Gagne M, Henry AR, Mokhtari EB, Mudvari P, Krebs SJ, Pekosz AS, Currier JR, Kar S, Porto M, Winn A, Radzyminski K, Lewis MG, Vasan S, Suthar M, Polonis VR, Matyas GR, Boritz EA, Douek DC, Seder RA, Daye SP, Rao M, Peel SA, Joyce MG, Bolton DL, Michael NL, Modjarrad K. A SARS-CoV-2 spike ferritin nanoparticle vaccine protects against heterologous challenge with B.1.1.7 and B.1.351 virus variants in Syrian golden hamsters. bioRxiv 2021:2021.06.16.448525. [PMID: 34159328 PMCID: PMC8219092 DOI: 10.1101/2021.06.16.448525] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The emergence of SARS-CoV-2 variants of concern (VOC) requires adequate coverage of vaccine protection. We evaluated whether a spike ferritin nanoparticle vaccine (SpFN), adjuvanted with the Army Liposomal Formulation QS21 (ALFQ), conferred protection against the B.1.1.7 and B.1.351 VOCs in Syrian golden hamsters. SpFN-ALFQ was administered as either single or double-vaccination (0 and 4 week) regimens, using a high (10 μg) or low (0.2 μg) immunogen dose. Animals were intranasally challenged at week 11. Binding antibody responses were comparable between high- and low-dose groups. Neutralizing antibody titers were equivalent against WA1, B.1.1.7, and B.1.351 variants following two high dose two vaccinations. SpFN-ALFQ vaccination protected against SARS-CoV-2-induced disease and viral replication following intranasal B.1.1.7 or B.1.351 challenge, as evidenced by reduced weight loss, lung pathology, and lung and nasal turbinate viral burden. These data support the development of SpFN-ALFQ as a broadly protective, next-generation SARS-CoV-2 vaccine.
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Affiliation(s)
- Kathryn McGuckin Wuertz
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - Erica K. Barkei
- Veterinary Pathology Division, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - Wei-Hung Chen
- Emerging Infectious Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
| | - Elizabeth J. Martinez
- Emerging Infectious Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
| | - Ines Lakhal-Naouar
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
- Diagnostics Countermeasures Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - Linda L. Jagodzinski
- Diagnostics Countermeasures Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - Dominic Paquin-Proulx
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
| | - Gregory D. Gromowski
- Virus Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - Isabella Swafford
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
| | - Akshaya Ganesh
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
- Oak Ridge Institute of Science and Education, Oak Ridge, Tennessee USA
| | - Ming Dong
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
| | - Xiankun Zeng
- Pathology Division, United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, Maryland USA
| | - Paul V. Thomas
- Emerging Infectious Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
| | - Rajeshwer S. Sankhala
- Emerging Infectious Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
| | - Agnes Hajduczki
- Emerging Infectious Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
| | - Caroline E. Peterson
- Emerging Infectious Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
| | - Caitlin Kuklis
- Virus Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - Sandrine Soman
- Virus Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - Lindsay Wieczorek
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
| | - Michelle Zemil
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
| | - Alexander Anderson
- Emerging Infectious Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
- Oak Ridge Institute of Science and Education, Oak Ridge, Tennessee USA
| | - Janice Darden
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
- Diagnostics Countermeasures Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - Heather Hernandez
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
- Diagnostics Countermeasures Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - Hannah Grove
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
- Diagnostics Countermeasures Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - Vincent Dussupt
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
| | - Holly Hack
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
- Diagnostics Countermeasures Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - Rafael de la Barrera
- Pilot Bioproduction Facility, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - Stasya Zarling
- Pilot Bioproduction Facility, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - James F. Wood
- Pilot Bioproduction Facility, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - Jeffrey W. Froude
- Pilot Bioproduction Facility, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - Matthew Gagne
- Human Immunology Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland USA
| | - Amy R. Henry
- Human Immunology Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland USA
| | - Elham Bayat Mokhtari
- Virus Persistence and Dynamics Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland USA
| | - Prakriti Mudvari
- Virus Persistence and Dynamics Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland USA
| | - Shelly J. Krebs
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
| | - Andrew S. Pekosz
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland USA
| | - Jeffrey R. Currier
- Virus Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | | | | | | | | | | | - Sandhya Vasan
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
| | - Mehul Suthar
- Emory Vaccine Center, Department of Pediatrics, Emory School of Medicine, Atlanta, Georgia USA
| | - Victoria R. Polonis
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - Gary R. Matyas
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - Eli A. Boritz
- Virus Persistence and Dynamics Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland USA
| | - Daniel C. Douek
- Human Immunology Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland USA
| | - Robert A. Seder
- Cellular Immunology Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland USA
| | - Sharon P. Daye
- One Health Branch, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - Mangala Rao
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - Sheila A. Peel
- Diagnostics Countermeasures Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
| | - M. Gordon Joyce
- Emerging Infectious Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
- These authors contributed equally
| | - Diane L. Bolton
- U.S. Military HIV Research Program, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland USA
- These authors contributed equally
| | - Nelson L. Michael
- Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
- These authors contributed equally
| | - Kayvon Modjarrad
- Emerging Infectious Diseases Branch, Center for Infectious Diseases Research, Walter Reed Army Institute of Research, Silver Spring, Maryland USA
- These authors contributed equally
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