Algorithms|Animals|Cattle|Coronavirus 229E, Human|Coronavirus, Bovine|Dinucleotide Repeats|Gene Expression Profiling|Gene Expression Regulation, Viral|Genome, Viral|Hemorrhagic Disease Virus, Rabbit|Humans|Microsatellite Repeats|Multivariate Analysis|Open Reading Frames|Phylogeny|RNA Viruses|RNA, Viral|Rabbits|SARS Virus