Pulmonary lesions following inoculation with the SARS-CoV-2 Omicron BA.1 (B.1.1.529) variant in Syrian golden hamsters
M. Rissmann, D. Noack, D. van Riel…·B. Rockx
This study inoculates Syrian golden hamsters with SARS-CoV-2 Omicron BA.1 to compare its pathogenicity and viral shedding to Delta, finding reduced clinical signs and viral shedding but still pneumonia, with pre-existing immunity offering protection.