2024
Early antiviral use and supplemental oxygen decrease the risk of secondary bacterial infections: a multi-centre, nested, case–control study
Zhu Y, Hu H, Guo X, Zhang H, Li D, Dela Cruz C, Xie W, Xie L, Sharma L, Chang D. Early antiviral use and supplemental oxygen decrease the risk of secondary bacterial infections: a multi-centre, nested, case–control study. Journal Of Hospital Infection 2024, 156: 87-95. PMID: 39701496, DOI: 10.1016/j.jhin.2024.12.005.Peer-Reviewed Original ResearchConceptsRisk of secondary bacterial infectionIncidence of secondary bacterial infectionSecondary bacterial infectionAge-adjusted Charlson Comorbidity IndexCase-control studyPropensity-score matchingBacterial infectionsCOVID-19 patientsParenteral nutritionSupplemental oxygenTreatment strategiesAssociated with significant protectionAssociated with decreased incidenceAssociated with increased incidenceConditional logistic regression analysisSusceptibility to secondary bacterial infectionsAssociated with protectionCharlson Comorbidity IndexLogistic regression analysisAssociated with significant increasesAntiviral useGastric tubeAntibacterial therapyComorbidity indexIntravenous injection
2023
The emergence of influenza B as a major respiratory pathogen in the absence of COVID-19 during the 2021–2022 flu season in China
Chang D, Lin M, Song N, Zhu Z, Gao J, Li S, Liu H, Liu D, Zhang Y, Sun W, Zhou X, Yang B, Li Y, Wang L, Xiao Z, Li K, Xing L, Xie L, Sharma L. The emergence of influenza B as a major respiratory pathogen in the absence of COVID-19 during the 2021–2022 flu season in China. Virology Journal 2023, 20: 189. PMID: 37620959, PMCID: PMC10463403, DOI: 10.1186/s12985-023-02115-x.Peer-Reviewed Original ResearchConceptsInfluenza BAverage ageCOVID-19Influenza-like illnessNumber of patientsMajor respiratory pathogenCOVID-19 testCOVID-19-related restrictionsCell death markersClinical characteristicsFever clinicYounger patientsAppropriate vaccinationPatient characteristicsSubstantial morbidityRespiratory virusesSeasonal virusesLaboratory findingsPositivity rateInfluenza ARespiratory pathogensPreventive strategiesSecondary infectionSevere casesFlu season
2020
The kinetics of humoral response and its relationship with the disease severity in COVID-19
Ren L, Zhang L, Chang D, Wang J, Hu Y, Chen H, Guo L, Wu C, Wang C, Wang Y, Wang Y, Wang G, Yang S, Dela Cruz CS, Sharma L, Wang L, Zhang D, Wang J. The kinetics of humoral response and its relationship with the disease severity in COVID-19. Communications Biology 2020, 3: 780. PMID: 33311543, PMCID: PMC7733479, DOI: 10.1038/s42003-020-01526-8.Peer-Reviewed Original ResearchConceptsHumoral responseDisease severityReceptor-binding domainAntibody titersSpike proteinSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2COVID-19Respiratory syndrome coronavirus 2Titers of NAbsGeometric mean titersCOVID-19 patientsSyndrome coronavirus 2Coronavirus disease 2019Disease courseMean titersCoronavirus 2Antibody responseIgG antibodiesRisk factorsIg levelsImmunoglobulin ADisease 2019Severe casesModerate infectionsEpidemiologic and Clinical Characteristics of Novel Coronavirus Infections Involving 13 Patients Outside Wuhan, China
Chang D, Lin M, Wei L, Xie L, Zhu G, Dela Cruz CS, Sharma L. Epidemiologic and Clinical Characteristics of Novel Coronavirus Infections Involving 13 Patients Outside Wuhan, China. JAMA 2020, 323: 1092-1093. PMID: 32031568, PMCID: PMC7042871, DOI: 10.1001/jama.2020.1623.Peer-Reviewed Original ResearchProtecting health-care workers from subclinical coronavirus infection
Chang D, Xu H, Rebaza A, Sharma L, Dela Cruz CS. Protecting health-care workers from subclinical coronavirus infection. The Lancet Respiratory Medicine 2020, 8: e13. PMID: 32061333, PMCID: PMC7128440, DOI: 10.1016/s2213-2600(20)30066-7.Commentaries, Editorials and Letters
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