bioRxivMicrobiologyPreprint
High efficacy of therapeutic equine hyperimmune antibodies against SARS CoV-2 variants of concern
A. Moreira-Soto, M. Arguedas, H. Brenes, W. Bujan, E. Corrales-Aguilar, C. Diaz, A. Echeverri, M. Flores-Diaz, A. Gomez, A. Hernandez, M. Herrera, G. Leon, R. Macaya, A. Khüne, J. A. Molina-Mora, J. Mora, A. Sanabria, A. Sanchez, L. Sanchez, A. Segura, E. Segura, D. Solano, C. Soto, J. L. Stynoski, M. Vargas, , J. F. Drexler
Abstract
SARS-CoV-2 variants of concern (VoC) show reduced neutralization by vaccine-induced and therapeutic monoclonal antibodies. We tested therapeutic equine polyclonal antibodies (pAbs) against four VoC (alpha, beta, epsilon and gamma). We show that equine pAbs efficiently neutralize VoC, suggesting they are an effective, broad coverage, low-cost and a scalable COVID-19 treatment.
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