MicrobiologyScience AdvancesPeer-reviewed
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. 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.
DOI 10.1126/sciadv.ade1860