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Zhou J, Sukhova K, Peacock TP, McKay PF, Brown JC, Frise R, Baillon L, Moshe M, Kugathasan R, Shattock RJ, Barclay WS. Omicron breakthrough infections in vaccinated or previously infected hamsters. Proc Natl Acad Sci U S A 2023; 120:e2308655120. [PMID: 37903249 PMCID: PMC10636328 DOI: 10.1073/pnas.2308655120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 09/17/2023] [Indexed: 11/01/2023] Open
Abstract
The ongoing SARS-CoV-2 epidemic was marked by the repeated emergence and replacement of "variants" with genetic and phenotypic distance from the ancestral strains, the most recent examples being viruses of the Omicron lineage. Here, we describe a hamster direct contact exposure challenge model to assess protection against reinfection conferred by either vaccination or prior infection. We found that two doses of self-amplifying RNA vaccine based on the ancestral Spike ameliorated weight loss following Delta infection and decreased viral loads but had minimal effect on Omicron BA.1 infection. Prior vaccination followed by Delta or BA.1 breakthrough infections led to a high degree of cross-reactivity to all tested variants, suggesting that repeated exposure to antigenically distinct Spikes, via infection and/or vaccination drives a cross-reactive immune response. Prior infection with ancestral or Alpha variant was partially protective against BA.1 infection, whereas all animals previously infected with Delta and exposed to BA.1 became reinfected, although they shed less virus than BA.1-infected naive hamsters. Hamsters reinfected with BA.1 after prior Delta infection emitted infectious virus into the air, indicating that they could be responsible for onwards airborne transmission. We further tested whether prior infection with BA.1 protected from reinfection with Delta or later Omicron sublineages BA.2, BA.4, or BA.5. BA.1 was protective against BA.2 but not against Delta, BA.4, or BA.5 reinfection. These findings suggest that cohorts whose only immune experience of COVID-19 is Omicron BA.1 infection may be vulnerable to future circulation of reemerged Delta-like derivatives, as well as emerging Omicron sublineages.
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Affiliation(s)
- Jie Zhou
- Department of Infectious Disease, Imperial College London, LondonW2 1PG, United Kingdom
| | - Ksenia Sukhova
- Department of Infectious Disease, Imperial College London, LondonW2 1PG, United Kingdom
| | - Thomas P. Peacock
- Department of Infectious Disease, Imperial College London, LondonW2 1PG, United Kingdom
| | - Paul F. McKay
- Department of Infectious Disease, Imperial College London, LondonW2 1PG, United Kingdom
| | - Jonathan C. Brown
- Department of Infectious Disease, Imperial College London, LondonW2 1PG, United Kingdom
| | - Rebecca Frise
- Department of Infectious Disease, Imperial College London, LondonW2 1PG, United Kingdom
| | - Laury Baillon
- Department of Infectious Disease, Imperial College London, LondonW2 1PG, United Kingdom
| | - Maya Moshe
- Department of Infectious Disease, Imperial College London, LondonW2 1PG, United Kingdom
| | - Ruthiran Kugathasan
- Department of Infectious Disease, Imperial College London, LondonW2 1PG, United Kingdom
| | - Robin J. Shattock
- Department of Infectious Disease, Imperial College London, LondonW2 1PG, United Kingdom
| | - Wendy S. Barclay
- Department of Infectious Disease, Imperial College London, LondonW2 1PG, United Kingdom
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Port JR, Yinda CK, Riopelle JC, Weishampel ZA, Saturday TA, Avanzato VA, Schulz JE, Holbrook MG, Barbian K, Perry-Gottschalk R, Haddock E, Martens C, Shaia CI, Lambe T, Gilbert SC, van Doremalen N, Munster VJ. Infection- or AZD1222 vaccine-mediated immunity reduces SARS-CoV-2 transmission but increases Omicron competitiveness in hamsters. Nat Commun 2023; 14:6592. [PMID: 37852960 PMCID: PMC10584863 DOI: 10.1038/s41467-023-42346-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 10/06/2023] [Indexed: 10/20/2023] Open
Abstract
Limited data is available on the effect of vaccination and previous virus exposure on the nature of SARS-CoV-2 transmission and immune-pressure on variants. To understand the impact of pre-existing immunity on SARS-CoV-2 airborne transmission efficiency, we perform a transmission chain experiment using naïve, intranasally or intramuscularly AZD1222 vaccinated, and previously infected hamsters. A clear gradient in transmission efficacy is observed: Transmission in hamsters vaccinated via the intramuscular route was reduced over three airborne chains (approx. 60%) compared to naïve animals, whereas transmission in previously infected hamsters and those vaccinated via the intranasal route was reduced by 80%. We also find that the Delta B.1.617.2 variant outcompeted Omicron B.1.1.529 after dual infection within and between hosts in naïve, vaccinated, and previously infected transmission chains, yet an increase in Omicron B.1.1.529 competitiveness is observed in groups with pre-existing immunity against Delta B.1.617.2. This correlates with an increase in the strength of the humoral response against Delta B.1.617.2, with the strongest response seen in previously infected animals. These data highlight the continuous need to improve vaccination strategies and address the additional evolutionary pressure pre-existing immunity may exert on SARS-CoV-2.
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Affiliation(s)
- Julia R Port
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Claude Kwe Yinda
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Jade C Riopelle
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Zachary A Weishampel
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Taylor A Saturday
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Victoria A Avanzato
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Jonathan E Schulz
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Myndi G Holbrook
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Kent Barbian
- Genomics Research Section, Research Technologies Branch, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Rose Perry-Gottschalk
- Rocky Mountain Visual and Medical Arts Unit, Research Technologies Branch, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Elaine Haddock
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Craig Martens
- Genomics Research Section, Research Technologies Branch, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Carl I Shaia
- Rocky Mountain Veterinary Branch, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Teresa Lambe
- The Jenner Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Chinese Academy of Medical Science Oxford Institute; Oxford Vaccine Group, Department of Paediatrics, University of Oxford, Oxford, UK
| | - Sarah C Gilbert
- The Jenner Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Neeltje van Doremalen
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Vincent J Munster
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA.
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Felbinger N, Trudil D, Loomis L, Ascione R, Siragusa G, Haba S, Rastogi S, Mucci A, Claycomb M, Snowberger S, Luke B, Francesconi S, Tsang S. Epitope mapping of SARS-CoV-2 spike protein differentiates the antibody binding activity in vaccinated and infected individuals. FRONTIERS IN VIROLOGY 2023. [DOI: 10.3389/fviro.2023.988109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Abstract
Previous studies have attempted to characterize the antibody response of individuals to the SARS-CoV-2 virus on a linear peptide level by utilizing peptide microarrays. These studies have helped to identify epitopes that have potential to be used for diagnostic tests to identify infected individuals. The immunological responses of individuals who have received the two most popular vaccines available in the US, the Moderna mRNA-1273 or the Pfizer BNT162b2 mRNA vaccines, have not been characterized. We aimed to identify linear peptides of the SARS-CoV-2 spike protein that elicited high IgG or IgA binding activity and to compare the immunoreactivity of infected individuals to those who received both doses of either vaccine by utilizing peptide microarrays. Our results revealed peptide epitopes of significant IgG binding among recently infected individuals. Some of these peptides are located near variable regions of the receptor binding domains as well as the conserved region in the c-terminal of the spike protein implicated in the high infectivity of SARS-CoV-2. Vaccinated individuals lacked a response to these distinct markers despite the overall antibody binding activity being similar.
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Port JR, Yinda CK, Riopelle JC, Weishampel ZA, Saturday TA, Avanzato VA, Schulz JE, Holbrook MG, Barbian K, Perry-Gottschalk R, Haddock E, Martens C, Shaia CI, Lambe T, Gilbert SC, van Doremalen N, Munster VJ. Infection- or vaccine mediated immunity reduces SARS-CoV-2 transmission, but increases competitiveness of Omicron in hamsters. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2022:2022.07.29.502072. [PMID: 35982658 PMCID: PMC9387121 DOI: 10.1101/2022.07.29.502072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Omicron has demonstrated a competitive advantage over Delta in vaccinated people. To understand this, we designed a transmission chain experiment using naïve, intranasally (IN) or intramuscularly (IM) vaccinated, and previously infected (PI) hamsters. Vaccination and previous infection protected animals from disease and virus replication after Delta and Omicron dual challenge. A gradient in transmission blockage was observed: IM vaccination displayed moderate transmission blockage potential over three airborne chains (approx. 70%), whereas, IN vaccination and PI blocked airborne transmission in >90%. In naïve hamsters, Delta completely outcompeted Omicron within and between hosts after dual infection in onward transmission. Although Delta also outcompeted Omicron in the vaccinated and PI transmission chains, an increase in Omicron competitiveness was observed in these groups. This correlated with the increase in the strength of the humoral response against Delta, with the strongest response seen in PI animals. These data highlight the continuous need to assess the emergence and spread of novel variants in populations with pre-existing immunity and address the additional evolutionary pressure this may exert on the virus.
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Affiliation(s)
- Julia R. Port
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Claude Kwe Yinda
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Jade C. Riopelle
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Zachary A. Weishampel
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Taylor A. Saturday
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Victoria A. Avanzato
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Jonathan E. Schulz
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Myndi G. Holbrook
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Kent Barbian
- Genomics Research Section, Research Technologies Branch, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Rose Perry-Gottschalk
- Rocky Mountain Visual and Medical Arts Unit, Research Technologies Branch, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Elaine Haddock
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Craig Martens
- Genomics Research Section, Research Technologies Branch, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Carl. I. Shaia
- Rocky Mountain Veterinary Branch, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Teresa Lambe
- The Jenner Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Sarah C. Gilbert
- The Jenner Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Neeltje van Doremalen
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Vincent J. Munster
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
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Li H, Zhao X, Li J, Zheng H, Zhao Y, Yang J, Zhou J, Yang F, Chen Y, Zuo Y, Lai Q, Long H, Li Y, Jin W, Shi H, Liu L. Nasal Mucosa Exploited by SARS-CoV-2 for Replicating and Shedding during Reinfection. Viruses 2022; 14:v14081608. [PMID: 35893674 PMCID: PMC9394478 DOI: 10.3390/v14081608] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 07/20/2022] [Accepted: 07/20/2022] [Indexed: 02/01/2023] Open
Abstract
Reinfection risk is a great concern with regard to the COVID-19 pandemic because a large proportion of the population has recovered from an initial infection, and previous reports found that primary exposure to SARS-CoV-2 protects against reinfection in rhesus macaques without viral presence and pathological injury; however, a high possibility for reinfection at the current stage of the pandemic has been proven. We found the reinfection of SARS-CoV-2 in Syrian hamsters with continuous viral shedding in the upper respiratory tracts and few injuries in the lung, and nasal mucosa was exploited by SARS-CoV-2 for replication and shedding during reinfection; meanwhile, no viral replication or enhanced damage was observed in the lower respiratory tracts. Consistent with the mild phenotype in the reinfection, increases in mRNA levels in cytokines and chemokines in the nasal mucosa but only slight increases in the lung were found. Notably, the high levels of neutralizing antibodies in serum could not prevent reinfection in hamsters but may play roles in benefitting the lung recovery and symptom relief of COVID-19. In summary, Syrian hamsters could be reinfected by SARS-CoV-2 with mild symptoms but with obvious viral shedding and replication, and both convalescent and vaccinated patients should be wary of the transmission and reinfection of SARS-CoV-2.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Longding Liu
- Correspondence: ; Tel.: +86-871-6833-5905; Fax: +86-871-6833-4483
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Mohandas S, Yadav PD, Sapkal G, Shete AM, Deshpande G, Nyayanit DA, Patil D, Kadam M, Kumar A, Mote C, Jain R. Pathogenicity of SARS-CoV-2 Omicron (R346K) variant in Syrian hamsters and its cross-neutralization with different variants of concern. EBioMedicine 2022; 79:103997. [PMID: 35405385 PMCID: PMC8993158 DOI: 10.1016/j.ebiom.2022.103997] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/27/2022] [Accepted: 03/28/2022] [Indexed: 12/11/2022] Open
Abstract
Background SARS-CoV-2 Omicron variant is rampantly spreading across the globe. We assessed the pathogenicity and immune response generated by BA.1.1 sub-lineage of SARS-CoV-2 [Omicron (R346K) variant] in 5 to 6-week old Syrian hamsters and compared the observations with that of Delta variant infection. Methods Virus shedding, organ viral load, lung disease and immune response generated in hamsters were sequentially assessed. Findings The disease characteristics of the Omicron (R346K) variant were found to be similar to that of the Delta variant infection in hamsters like viral replication in the respiratory tract and interstitial pneumonia. The Omicron (R346K) infected hamsters demonstrated lesser body weight reduction and viral RNA load in the throat swab and nasal wash samples in comparison to the Delta variant infection. The viral load in the lungs and nasal turbinate samples and the lung disease severity of the Omicron (R346K) infected hamsters were found comparable with that of the Delta variant infected hamsters. Neutralizing antibody response against Omicron (R346K) variant was detected from day 5 and the cross-neutralization titre of the sera against other variants showed severe reduction ie., 7 fold reduction against Alpha and no titers against B.1, Beta and Delta. Interpretation This preliminary data shows that Omicron (R346K) variant infection can produce moderate to severe lung disease similar to that of the Delta variant and the neutralizing antibodies produced in response to Omicron (R346K) variant infection shows poor neutralizing ability against other co-circulating SARS-CoV-2 variants like Delta which necessitates caution as it may lead to increased cases of reinfection. Funding This study was supported by 10.13039/501100001411Indian Council of Medical Research as an intramural grant (COVID-19) to ICMR-National Institute of Virology, Pune.
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Affiliation(s)
- Sreelekshmy Mohandas
- Maximum Containment Laboratory, Indian Council of Medical Research-National Institute of Virology (ICMR-NIV), Pune, Maharashtra 411021, India
| | - Pragya D Yadav
- Maximum Containment Laboratory, Indian Council of Medical Research-National Institute of Virology (ICMR-NIV), Pune, Maharashtra 411021, India.
| | - Gajanan Sapkal
- Maximum Containment Laboratory, Indian Council of Medical Research-National Institute of Virology (ICMR-NIV), Pune, Maharashtra 411021, India
| | - Anita M Shete
- Maximum Containment Laboratory, Indian Council of Medical Research-National Institute of Virology (ICMR-NIV), Pune, Maharashtra 411021, India
| | - Gururaj Deshpande
- Maximum Containment Laboratory, Indian Council of Medical Research-National Institute of Virology (ICMR-NIV), Pune, Maharashtra 411021, India
| | - Dimpal A Nyayanit
- Maximum Containment Laboratory, Indian Council of Medical Research-National Institute of Virology (ICMR-NIV), Pune, Maharashtra 411021, India
| | - Deepak Patil
- Maximum Containment Laboratory, Indian Council of Medical Research-National Institute of Virology (ICMR-NIV), Pune, Maharashtra 411021, India
| | - Manoj Kadam
- Maximum Containment Laboratory, Indian Council of Medical Research-National Institute of Virology (ICMR-NIV), Pune, Maharashtra 411021, India; Krantisinh Nana Patil College of Veterinary Science, Shirwal, Maharashtra 412801, India
| | - Abhimanyu Kumar
- Maximum Containment Laboratory, Indian Council of Medical Research-National Institute of Virology (ICMR-NIV), Pune, Maharashtra 411021, India; Krantisinh Nana Patil College of Veterinary Science, Shirwal, Maharashtra 412801, India
| | - Chandrashekhar Mote
- Krantisinh Nana Patil College of Veterinary Science, Shirwal, Maharashtra 412801, India
| | - Rajlaxmi Jain
- Maximum Containment Laboratory, Indian Council of Medical Research-National Institute of Virology (ICMR-NIV), Pune, Maharashtra 411021, India
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