Key result
Indirect immunofluorescence groups porcine enteroviruses and identifies two new serotypes linked to polioencephalomyelitis.
Why the study?
Porcine enteroviruses types 1-11 had not been fully assigned to serologic groups, and new isolates from pigs with polioencephalomyelitis lacked classification among established serotypes.
The study groups existing porcine enteroviruses into three serologic groups and identifies two new serotypes (PEV12 and 13).
May aid porcine enterovirus diagnostics; leaves open the role of PEV12/13 in swine polioencephalomyelitis.
Porcine enteroviruses (PEV) types 1-11 were assigned to three serologic groups by indirect immunofluorescence (IIF). Serotype group I consists of PEV types 1-7 and 11 and is correlated with CPE-type I. Serotype group II is represented by PEV type 8, producing CPE-type II, while PEV types 9 and 10 are classified as serotype group III and cause CPE-type III. Three PEV isolates from the central nervous system of pigs with polioencephalomyelitis were assigned to serotype group I by IIF but to none of the established 11 serotypes by cross-neutralization. It is concluded that these isolates are representatives of two new PEV types for which the designation PEV12 and 13 is suggested.
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Auerbach et al. (1994) studied Porcine enterovirus infection. Indirect immunofluorescence (IIF) was evaluated on Serologic grouping of PEV types. Indirect immunofluorescence assigned porcine enterovirus types 1-11 to three serologic groups and identified three isolates from pigs with polioencephalomyelitis as two new serotypes (PEV12 and 13).
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