Figure 2From: An eight-year epidemiologic study based on baculovirus-expressed type-specific spike proteins for the differentiation of type I and II feline coronavirus infectionsEstablishment and confirmation of the type-specific IFA. Sera from confirmed type I and/or II FCoV-infected cats with FIP, with type I or II FCoV antisera or SPF cat serum as a reference, were applied to the IFA to characterize its specificity.Back to article page