SARS-CoV-2 Omicron BA.1 and BA.2 are attenuated in rhesus macaques as compared to Delta
N. van Doremalen, M. Singh, T. Saturday, K. C. Yinda, L. Perez-Perez, W. F. Bohler, Z. Weishampel, M. Lewis, J. Schulz, B. Williamson, K. Meade-White, S. Gallogly, A. Okumura, F. Feldmann, J. Lovaglio, , K. Rosenke
This study compares disease severity and viral load in rhesus macaques infected with SARS-CoV-2 Delta, Omicron BA.1, and BA.2 variants, finding Omicron variants cause less severe disease with lower viral loads.
Science Advances · Nov 16, 2022Peer-reviewedMicrobiology