title: pH stability studies with avian infectious bronchitis virus (coronavirus) strains.
abstract: A comparison of 17 infectious bronchitis virus strains, using the same test procedure and assay system, demonstrated that stability at an acid pH is a variable characteristic of the avian coronaviruses.
mesh_terms: D000818:Animals; D002645:Chickens; D003332:Coronaviridae / Q000145:classification / Q000254:growth & development*; D046508:Culture Techniques; D003588:Cytopathogenic Effect, Viral; D006863:Hydrogen-Ion Concentration; D007668:Kidney; D011200:Poultry; D010948:Viral Plaque Assay