Development of COVID-19 vaccine using a dual Toll-like receptor ligand liposome adjuvant

Author:

Abhyankar Mayuresh M.,Mann Barbara J.ORCID,Sturek Jeffrey M.ORCID,Brovero Savannah,Moreau G. Brett,Sengar Anjali,Richardson Crystal M.,Agah Sayeh,Pomés AnnaORCID,Kasson Peter M.ORCID,Tomai Mark A.,Fox Christopher B.ORCID,Petri William A.

Abstract

AbstractWe developed a SARS-CoV-2 spike subunit vaccine formulation containing dual TLR ligand liposome adjuvant. The vaccine-induced robust systemic neutralizing antibodies and completely protected mice from a lethal challenge. Two immunizations protected against lung injury and cleared the virus from lungs upon challenge. The adjuvanted vaccine also elicited systemic and local anti-Spike IgA which can be an important feature for a COVID-19 vaccine.

Funder

1. University of Virginia Ivy Foundation Grant 2. University of Virginia’s Global Infectious Diseases Institute 3. Manning Fund

University of Virginia Global Infectious Diseases Institute University of Virginia Manning Fund

Publisher

Springer Science and Business Media LLC

Subject

Pharmacology (medical),Infectious Diseases,Pharmacology,Immunology

Reference30 articles.

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