Polymerase Chain ReactionDNA PrimersBase SequenceMolecular Sequence DataReverse Transcriptase Polymerase Chain ReactionDNA-Directed DNA PolymeraseRNA, MessengerReal-Time Polymerase Chain ReactionSensitivity and SpecificityRNA Polymerase IIDNA, ViralAmino Acid SequenceDNA, BacterialCloning, MolecularDNATranscription, GeneticSequence Analysis, DNAGenotypeOligonucleotide ProbesDNA-Directed RNA PolymerasesBlotting, SouthernDNA Polymerase IMutation