PURPOSE OF REVIEW Infections and secondary inflammatory changes play an important role in spine pathology leading to myelopathy or myelitis. To achieve optimal clinical outcomes and accurate prognosis, physicians must promptly recognize these disorders. This review provides a contemporary overview of the major pathogens known to cause myelopathic symptoms and focuses on unique clinical syndrome...

280 Characterization of infectious bronchitis virus isolates from backyard flocks. AAAP abstract † 281 Recombination in avian gamma-coronavirus infectious bronchitis virus (IBV). 282 Evaluation of possible interference between Arkansas and Massachusetts vaccine serotypes. AAAP abstract † 283 Interactions between multivalent attenuated live infectious bronchitis virus (IBV) vaccines in one-day-o...