A single dose of recombinant VSV-∆G-spike vaccine provides protection against SARS-CoV-2 challenge.

Yfat Yahalom-Ronen, Hadas Tamir, Sharon Melamed, Boaz Politi, Ohad Shifman, Hagit Achdout, Einat B Vitner, Ofir Israeli, Elad Milrot, Dana Stein, Inbar Cohen-Gihon, Shlomi Lazar, Hila Gutman, Itai Glinert, Lilach Cherry, Yaron Vagima, Shirley Lazar, Shay Weiss, Amir Ben-Shmuel, Roy Avraham, Reut Puni, Edith Lupu, Elad Bar-David, Assa Sittner, Noam Erez, Ran Zichel, Emanuelle Mamroud, Ohad Mazor, Haim Levy, Orly Laskar, Shmuel Yitzhaki, Shmuel C Shapira, Anat Zvi, Adi Beth-Din, Nir Paran, Tomer Israely
Author Information
  1. Yfat Yahalom-Ronen: Israel Institute for Biological Research, Ness Ziona, Israel.
  2. Hadas Tamir: Israel Institute for Biological Research, Ness Ziona, Israel.
  3. Sharon Melamed: Israel Institute for Biological Research, Ness Ziona, Israel.
  4. Boaz Politi: Israel Institute for Biological Research, Ness Ziona, Israel.
  5. Ohad Shifman: Israel Institute for Biological Research, Ness Ziona, Israel.
  6. Hagit Achdout: Israel Institute for Biological Research, Ness Ziona, Israel.
  7. Einat B Vitner: Israel Institute for Biological Research, Ness Ziona, Israel.
  8. Ofir Israeli: Israel Institute for Biological Research, Ness Ziona, Israel.
  9. Elad Milrot: Israel Institute for Biological Research, Ness Ziona, Israel.
  10. Dana Stein: Israel Institute for Biological Research, Ness Ziona, Israel.
  11. Inbar Cohen-Gihon: Israel Institute for Biological Research, Ness Ziona, Israel.
  12. Shlomi Lazar: Israel Institute for Biological Research, Ness Ziona, Israel.
  13. Hila Gutman: Israel Institute for Biological Research, Ness Ziona, Israel.
  14. Itai Glinert: Israel Institute for Biological Research, Ness Ziona, Israel.
  15. Lilach Cherry: Israel Institute for Biological Research, Ness Ziona, Israel.
  16. Yaron Vagima: Israel Institute for Biological Research, Ness Ziona, Israel.
  17. Shirley Lazar: Israel Institute for Biological Research, Ness Ziona, Israel.
  18. Shay Weiss: Israel Institute for Biological Research, Ness Ziona, Israel.
  19. Amir Ben-Shmuel: Israel Institute for Biological Research, Ness Ziona, Israel.
  20. Roy Avraham: Israel Institute for Biological Research, Ness Ziona, Israel.
  21. Reut Puni: Israel Institute for Biological Research, Ness Ziona, Israel.
  22. Edith Lupu: Israel Institute for Biological Research, Ness Ziona, Israel.
  23. Elad Bar-David: Israel Institute for Biological Research, Ness Ziona, Israel.
  24. Assa Sittner: Israel Institute for Biological Research, Ness Ziona, Israel.
  25. Noam Erez: Israel Institute for Biological Research, Ness Ziona, Israel.
  26. Ran Zichel: Israel Institute for Biological Research, Ness Ziona, Israel.
  27. Emanuelle Mamroud: Israel Institute for Biological Research, Ness Ziona, Israel. ORCID
  28. Ohad Mazor: Israel Institute for Biological Research, Ness Ziona, Israel. ORCID
  29. Haim Levy: Israel Institute for Biological Research, Ness Ziona, Israel. ORCID
  30. Orly Laskar: Israel Institute for Biological Research, Ness Ziona, Israel.
  31. Shmuel Yitzhaki: Israel Institute for Biological Research, Ness Ziona, Israel.
  32. Shmuel C Shapira: Israel Institute for Biological Research, Ness Ziona, Israel.
  33. Anat Zvi: Israel Institute for Biological Research, Ness Ziona, Israel.
  34. Adi Beth-Din: Israel Institute for Biological Research, Ness Ziona, Israel.
  35. Nir Paran: Israel Institute for Biological Research, Ness Ziona, Israel. nirp@iibr.gov.il. ORCID
  36. Tomer Israely: Israel Institute for Biological Research, Ness Ziona, Israel. tomeri@iibr.gov.il. ORCID

Abstract

The COVID-19 pandemic caused by SARS-CoV-2 imposes an urgent need for rapid development of an efficient and cost-effective vaccine, suitable for mass immunization. Here, we show the development of a replication competent recombinant VSV-∆G-spike vaccine, in which the glycoprotein of VSV is replaced by the spike protein of SARS-CoV-2. In-vitro characterization of this vaccine indicates the expression and presentation of the spike protein on the viral membrane with antigenic similarity to SARS-CoV-2. A golden Syrian hamster in-vivo model for COVID-19 is implemented. We show that a single-dose vaccination results in a rapid and potent induction of SARS-CoV-2 neutralizing antibodies. Importantly, vaccination protects hamsters against SARS-CoV-2 challenge, as demonstrated by the abrogation of body weight loss, and  alleviation of the extensive tissue damage and viral loads in lungs and nasal turbinates. Taken together, we suggest the recombinant VSV-∆G-spike as a safe, efficacious and protective vaccine against SARS-CoV-2.

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MeSH Term

Animals
Antibodies, Viral
Antigens, Viral
Body Weight
COVID-19
COVID-19 Vaccines
Cell Line
Cricetinae
Disease Models, Animal
Dose-Response Relationship, Immunologic
Genome, Viral
Lung
Mice, Inbred C57BL
Mutation
SARS-CoV-2
Spike Glycoprotein, Coronavirus
Vaccination
Vaccines, Synthetic
Vesicular stomatitis Indiana virus
Viral Load

Chemicals

Antibodies, Viral
Antigens, Viral
COVID-19 Vaccines
Spike Glycoprotein, Coronavirus
Vaccines, Synthetic

Word Cloud

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