Isolation from man of "avian infectious bronchitis virus-like" viruses (coronaviruses) similar to 229E virus, with some epidemiological observations.

Adult Animals Antibodies/analysis Chloroform/pharmacology Complement Fixation Tests Culture Techniques Deoxyuridine/pharmacology Embryo, Mammalian Humans Hydrogen-Ion Concentration Mice Microscopy, Electron Neutralization Tests Nucleic Acids/analysis RNA Viruses/analysis,drug effects,isolation & purification,pathogenicity Respiratory Tract Infections/epidemiology,immunology,microbiology Seasons Virus Cultivation Virus Diseases/epidemiology,etiology,immunology Virus Replication/drug effects Viruses, Unclassified/analysis,drug effects,isolation & purification,pathogenicity

Antibodies Nucleic Acids Chloroform Deoxyuridine