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
2021
Universal SARS-CoV-2 Testing of Emergency Department Admissions Increases Emergency Department Length of Stay
Sangal RB, Peaper DR, Rothenberg C, Landry ML, Sussman LS, Martinello RA, Ulrich A, Venkatesh AK. Universal SARS-CoV-2 Testing of Emergency Department Admissions Increases Emergency Department Length of Stay. Annals Of Emergency Medicine 2021, 79: 182-186. PMID: 34756452, PMCID: PMC8424016, DOI: 10.1016/j.annemergmed.2021.09.005.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 testingUniversal SARS-CoV-2 testingEmergency department lengthAdmission lengthED admissionPositivity rateSARS-CoV-2 testAcademic health systemCOVID-19 prevalenceSecondary outcomesED lengthPrevention needsED boardingPatientsStayPositive casesClinical costsHealth systemAdmissionTesting policiesContainment effortsTestingPrevalenceTesting changesPositivity