Blood Specimen CollectionSpecimen HandlingUrine Specimen CollectionLaboratories, HospitalSensitivity and SpecificityClinical Laboratory TechniquesUrinePolymerase Chain ReactionBacteriological TechniquesReagent Kits, DiagnosticQuality ControlTime FactorsChlamydia InfectionsDisease OutbreaksReproducibility of ResultsBloodPaperUnited StatesPhlebotomyEvaluation Studies as TopicBlood PreservationHIV SeroprevalenceInfant, NewbornForensic MedicineVirologyGas Chromatography-Mass SpectrometryDNA, BacterialPlasmaEhrlichiaSubstance Abuse DetectionCytomegalovirusMicrobiological TechniquesAIDS SerodiagnosisCytomegalovirus InfectionsCentrifugationBacteremiaNeonatal ScreeningData CollectionFiltrationMolecular Sequence DataEhrlichiosisNeoplastic Cells, CirculatingFalse Positive ReactionsDNA, ViralProspective StudiesBase SequenceEnzyme-Linked Immunosorbent AssayCulture MediaVirus CultivationBlood Chemical AnalysisReference StandardsFetal BloodPregnancySequence Analysis, DNAGenotypeCase-Control StudiesSeroepidemiologic StudiesDNA, ProtozoanDNA PrimersImmunoenzyme TechniquesAutopsyHIV InfectionsReference ValuesDrug StabilityBacteria