Of 79 rats, 4 (5%) tested positive for COVID-19, and 13 (16.5%) tested positive for wild-type SARS-CoV-2 immunoglobulin G or immunoglobulin M antibodies.
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Of 79 rats, 4 (5%) tested positive for COVID-19, and 13 (16.5%) tested positive for wild-type SARS-CoV-2 immunoglobulin G or immunoglobulin M antibodies.