HIV-1HIV InfectionsViral LoadGenotypeMolecular Sequence DataPhylogenyReceptors, Adrenergic, alpha-1Influenza A Virus, H5N1 SubtypeInfluenza A Virus, H3N2 SubtypeReceptors, SomatostatinReceptors, Prostaglandin E, EP4 SubtypeAmino Acid SequenceRadioligand AssayInfluenza A Virus, H9N2 SubtypeReceptors, MuscarinicReceptors, Prostaglandin E, EP1 SubtypeReceptors, Prostaglandin E, EP3 SubtypeReceptors, Prostaglandin E, EP2 SubtypeInfluenza A Virus, H1N1 SubtypeSequence Analysis, DNABase SequenceImmunohistochemistryInfluenza A virusPolymerase Chain ReactionReceptors, Adrenergic, alpha-2Influenza A Virus, H3N8 SubtypeAdrenergic alpha-AntagonistsInfluenza in BirdsCluster AnalysisDioxanesReceptors, NicotinicRNA, MessengerRats, Sprague-DawleyAdrenergic alpha-1 Receptor AntagonistsInfluenza A Virus, H2N2 SubtypeReverse Transcriptase Polymerase Chain ReactionDose-Response Relationship, DrugInfluenza A Virus, H7N7 SubtypeBlastocystisGene Expression ProfilingGenetic VariationBreast NeoplasmsMutationReceptor, Muscarinic M1Receptor, Muscarinic M3Binding, CompetitiveAdrenergic alpha-AgonistsPirenzepineDrug Resistance, ViralPrognosispol Gene Products, Human Immunodeficiency VirusMolecular EpidemiologyHemagglutinin Glycoproteins, Influenza VirusGenes, envReceptor, Muscarinic M2Cell LinePrazosinReceptors, SerotoninMuscarinic AntagonistsCells, CulturedNeuronsReceptor, Muscarinic M4Influenza A Virus, H1N2 SubtypeHIV ProteaseReceptors, EstrogenTumor Markers, BiologicalConotoxinsReceptors, ProgesteroneReceptors, Angiotensinenv Gene Products, Human Immunodeficiency VirusPhenotype