2023
Accelerated SARS-CoV-2 intrahost evolution leading to distinct genotypes during chronic infection
Chaguza C, Hahn A, Petrone M, Zhou S, Ferguson D, Breban M, Pham K, Peña-Hernández M, Castaldi C, Hill V, Initiative Y, Billig K, Earnest R, Fauver J, Kalinch C, Kerantzas N, Koch T, De Kumar B, Landry M, Ott I, Peaper D, Tikhonova I, Vogels C, Schulz W, Swanstrom R, Roberts S, Grubaugh N. Accelerated SARS-CoV-2 intrahost evolution leading to distinct genotypes during chronic infection. Cell Reports Medicine 2023, 4: 100943. PMID: 36791724, PMCID: PMC9906997, DOI: 10.1016/j.xcrm.2023.100943.Peer-Reviewed Original ResearchConceptsChronic infectionEvolutionary ratesGenetic diversityIntrahost evolutionDistinct genotypesHigher viral genome copiesVirus evolutionary ratesSARS-CoV-2 evolutionUntreated chronic infectionAdvantageous mutationsNucleotide substitutionsViral genome copiesDivergent variantsInfection hypothesisVariant emergenceViral populationsInfectious virusInfectionHallmark changesGenome copiesDifferent genotypesDiversityGenotypesTemporal dynamicsEvolution
2022
An outbreak of SARS‐CoV‐2 on a transplant unit in the early vaccination era
Roberts SC, Palacios C, Grubaugh ND, Alpert T, Ott IM, Breban MI, Initiative Y, Martinello RA, Smith C, Davis MW, Mcmanus D, Tirmizi S, Topal JE, Azar MM, Malinis M. An outbreak of SARS‐CoV‐2 on a transplant unit in the early vaccination era. Transplant Infectious Disease 2022, 24: e13782. PMID: 34969164, DOI: 10.1111/tid.13782.Peer-Reviewed Original ResearchConceptsSARS-CoV-2Infection prevention practicesSARS-CoV-2 outbreakTransplant unitCOVID-19-associated morbiditySolid organ transplant recipientsSARS-CoV-2 vaccinationPrevention practicesHospital day 18Potential index casesOrgan transplant recipientsInfection prevention behaviorsMonoclonal antibody therapyCOVID-19SARS-CoV-2 clustersHospital staff membersWhole-genome sequencingAsymptomatic patientsTransplant recipientsPositive patientsAtypical presentationImmunocompromised patientsAntibody therapyVaccination eraDisease progression
2021
Mass severe acute respiratory coronavirus virus 2 (SARS-CoV-2) testing of asymptomatic healthcare personnel
Roberts SC, Peaper DR, Thorne CD, Sussman LS, Murray TS, Choi SJ, Pettker CM, Russi MB, Martinello RA. Mass severe acute respiratory coronavirus virus 2 (SARS-CoV-2) testing of asymptomatic healthcare personnel. Infection Control And Hospital Epidemiology 2021, 42: 1-2. PMID: 33487206, PMCID: PMC7853752, DOI: 10.1017/ice.2021.9.Peer-Reviewed Original Research
2020
A clade of SARS-CoV-2 viruses associated with lower viral loads in patient upper airways
Lorenzo-Redondo R, Nam HH, Roberts SC, Simons LM, Jennings LJ, Qi C, Achenbach CJ, Hauser AR, Ison MG, Hultquist JF, Ozer EA. A clade of SARS-CoV-2 viruses associated with lower viral loads in patient upper airways. EBioMedicine 2020, 62: 103112. PMID: 33186810, PMCID: PMC7655495, DOI: 10.1016/j.ebiom.2020.103112.Peer-Reviewed Original ResearchMeSH KeywordsCOVID-19FemaleGenome, ViralGenotypeHumansMalePhylogenySARS-CoV-2Viral LoadWhole Genome SequencingConceptsPatient's upper airwayViral loadSARS-CoV-2Upper airwayHighest average viral loadSARS-CoV-2 infectionTranslational Research AwardTime of diagnosisAverage viral loadCOVID-19 patientsLow viral loadComprehensive cancer centerCoronavirus disease 2019SARS-CoV-2 isolatesSARS-CoV-2 virusClade 1 virusesClade 2 virusesRelative viral loadVirologic featuresClinical characteristicsClinical parametersCancer CenterDistinct viral cladesClinical significanceTranslational Science Institute