Fig. 2.
sVNT results obtained with sera of SARS-CoV-2-infected animals, MERS-CoV-infected animals or control animals, grouped by animal species and seroconversion status (positive vs. negative, (A)), or PRNT50 titer (B). Each dot represents an individual serum. Dotted horizontal lines indicate the suggested 20% and 30% inhibition cut-off values.