2022
Rapid emergence of SARS-CoV-2 Omicron variant is associated with an infection advantage over Delta in vaccinated persons
Chaguza C, Coppi A, Earnest R, Ferguson D, Kerantzas N, Warner F, Young HP, Breban MI, Billig K, Koch RT, Pham K, Kalinich CC, Ott IM, Fauver JR, Hahn AM, Tikhonova IR, Castaldi C, De Kumar B, Pettker CM, Warren JL, Weinberger DM, Landry ML, Peaper DR, Schulz W, Vogels CBF, Grubaugh ND. Rapid emergence of SARS-CoV-2 Omicron variant is associated with an infection advantage over Delta in vaccinated persons. Med 2022, 3: 325-334.e4. PMID: 35399324, PMCID: PMC8983481, DOI: 10.1016/j.medj.2022.03.010.Peer-Reviewed Original ResearchConceptsSpike gene target failureSARS-CoV-2 Omicron variantPositivity rateOmicron variantOmicron infectionVaccine dosesVaccine-induced immunityNumber of dosesTest positivity rateOdds of infectionSARS-CoV-2Significant reductionDominant Delta variantUnvaccinated personsVaccination statusHigher oddsDelta variantInfectionVaccine manufacturersDisease controlVirus copiesDosesPCR testOddsTarget failure
2020
Challenges in use of saliva for detection of SARS CoV-2 RNA in symptomatic outpatients
Landry ML, Criscuolo J, Peaper DR. Challenges in use of saliva for detection of SARS CoV-2 RNA in symptomatic outpatients. Journal Of Clinical Virology 2020, 130: 104567. PMID: 32750665, PMCID: PMC7392849, DOI: 10.1016/j.jcv.2020.104567.Peer-Reviewed Original ResearchMeSH KeywordsBetacoronavirusClinical Laboratory TechniquesCoronavirus InfectionsCOVID-19COVID-19 TestingCOVID-19 VaccinesHumansMolecular Diagnostic TechniquesNasopharynxOutpatientsPandemicsPneumonia, ViralProspective StudiesReal-Time Polymerase Chain ReactionRNA, ViralSalivaSARS-CoV-2Specimen HandlingConceptsNasopharyngeal swabsReal-time RT-PCRSymptomatic outpatientsRT-PCRSARS-CoV-2 positivitySaliva samplesSARS-CoV-2 testingMedian cycle threshold valuePure salivaSARS-CoV-2 RNA detectionSARS-CoV-2 RNACoV-2 testingUse of salivaCycle threshold valuesSymptomatic patientsOverall sensitivityRNA detectionSalivaCOVID-19OutpatientsHigh-volume testingPatientsSwabs