Featured Publications
Drug-Resistant Tuberculosis, Lebanon, 2016 – 2017 - Volume 25, Number 3—March 2019 - Emerging Infectious Diseases journal - CDC
Achkar S, Demanche C, Osman M, Rafei R, Ismail M, Yaacoub H, Pinçon C, Duthoy S, De Matos F, Gaudin C, Trovato A, Cirillo D, Hamze M, Supply P. Drug-Resistant Tuberculosis, Lebanon, 2016 – 2017 - Volume 25, Number 3—March 2019 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 2019, 25: 564-568. PMID: 30789124, PMCID: PMC6390733, DOI: 10.3201/eid2503.181375.Peer-Reviewed Original Research
2024
Evaluation of SARS-CoV-2 anti-Spike antibody levels and breakthrough infection risk among vaccinated adults in North Lebanon
Nour D, Ismail M, Osman M, Rafei R, Kasir D, Dabboussi F, Colson P, Hamze M. Evaluation of SARS-CoV-2 anti-Spike antibody levels and breakthrough infection risk among vaccinated adults in North Lebanon. PLOS ONE 2024, 19: e0302579. PMID: 38722969, PMCID: PMC11081361, DOI: 10.1371/journal.pone.0302579.Peer-Reviewed Original ResearchConceptsImmune responseAntibody titersAntibody levelsAnti-spike antibody levelsCharacteristics of immune responsesWaning immune responsesMultivariate logistic regression modelSARS-CoV-2 antibody titersLevel of antibody titerVaccinated patientsBNT162b2 vaccineUnivariate analysisLogistic regression modelsSputnik V vaccineBlood specimensPfizer-BioNTechVaccine doseImmune statusVaccinated adultsSARS-CoV-2InfectionNorth LebanonVaccineAstraZeneca vaccineTiters
2023
Booster vaccination protection against SARS-CoV-2 infections in young adults during an Omicron BA.1-predominant period: A retrospective cohort study
Wan J, Cazer C, Clarkberg M, Henderson S, Lee S, Meredith G, Osman M, Shmoys D, Frazier P. Booster vaccination protection against SARS-CoV-2 infections in young adults during an Omicron BA.1-predominant period: A retrospective cohort study. PLOS Medicine 2023, 20: e1004153. PMID: 36626376, PMCID: PMC9876273, DOI: 10.1371/journal.pmed.1004153.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 infectionInitial vaccination seriesPositive SARS-CoV-2 PCR testSARS-CoV-2 PCR testVaccination seriesBooster doseBooster vaccinationCohort studyStudy periodYoung adultsAcute respiratory syndrome coronavirus 2 infectionSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infectionSyndrome coronavirus 2 infectionSevere coronavirus disease 2019Polymerase chain reaction testingCoronavirus 2 infectionRetrospective cohort studyPCR testMultivariable Poisson regressionSARS-CoV-2 variantsStatistical analysis planCoronavirus disease 2019Active surveillance approachSARS-CoV-2World Health Organization
2021
Species distribution and antifungal susceptibility of Aspergillus clinical isolates in Lebanon
Osman M, Bidon B, Abboud C, Zakaria A, Hamze B, Achcar M, Mallat H, Dannaoui E, Dabboussi F, Papon N, Bouchara J, Hamze M. Species distribution and antifungal susceptibility of Aspergillus clinical isolates in Lebanon. Future Microbiology 2021, 16: 13-26. PMID: 33438473, DOI: 10.2217/fmb-2020-0141.Peer-Reviewed Original ResearchConceptsAntifungal susceptibilityAspergillus clinical isolatesAntifungal susceptibility patternsReverse transcription-quantitative PCRNational Reference CenterOverall drug resistanceTranscription-quantitative PCRInvasive mycosesSusceptibility patternsHealth strategiesEUCAST recommendationsReference centerClinical isolatesAmphotericin BDrug resistanceResistant isolatesMajor causeGene mutationsExpression levelsIsolatesEpidemiologySusceptibilityMycoses
2020
Molecular epidemiology of nonpharyngeal group A streptococci isolates in northern Lebanon
Rafei R, Hawli M, Osman M, Khelissa S, Salloum T, Dabboussi F, Tokajian S, Hamze M. Molecular epidemiology of nonpharyngeal group A streptococci isolates in northern Lebanon. Future Microbiology 2020, 15: 1555-1569. PMID: 33236928, DOI: 10.2217/fmb-2020-0072.Peer-Reviewed Original ResearchSeroprevalence of hepatitis E virus in pregnant women in northern Lebanon.
Ismail M, Khodor S, Osman M, Mallat H, Dabboussi F, Hamze M. Seroprevalence of hepatitis E virus in pregnant women in northern Lebanon. Eastern Mediterranean Health Journal 2020, 26: 580-585. PMID: 32538452, DOI: 10.26719/emhj.19.103.Peer-Reviewed Original ResearchConceptsHepatitis E virus infectionE virus infectionHepatitis E virusPregnant womenE virusVirus infectionRisk factorsAnti-hepatitis E virus IgG antibodiesFurther epidemiological studiesAcute hepatitisBlood transfusionIgG antibodiesNational prevalenceEpidemiological studiesELISA techniqueSociodemographic characteristicsInfectionDeath ratePrevalenceSocioeconomic statusWomenVirusPopulation groupsSeroprevalenceEducational level
2019
First report on the prevalence and subtype distribution of Blastocystis sp. in dairy cattle in Lebanon and assessment of zoonotic transmission
Greige S, El Safadi D, Khaled S, Gantois N, Baydoun M, Chemaly M, Benamrouz-Vanneste S, Chabé M, Osman M, Certad G, Hamze M, Viscogliosi E. First report on the prevalence and subtype distribution of Blastocystis sp. in dairy cattle in Lebanon and assessment of zoonotic transmission. Acta Tropica 2019, 194: 23-29. PMID: 30878470, DOI: 10.1016/j.actatropica.2019.02.013.Peer-Reviewed Original ResearchConceptsDomestic cattleBlastocystis spCattle livestockDairy cattleFecal samplesLow host specificityNon-human hostsDairy farmersZoonotic potentialZoonotic transmissionCattleZoonotic reservoirsFarmers' CohortLivestockAnimal hostsST3 isolatesPossible reservoirST distributionHost specificityST10FarmsHuman populationHuman infectionsPositive samplesST1
2018
First Lebanese Antibiotic Awareness Week campaign: knowledge, attitudes and practices towards antibiotics
Al Omari S, Al Mir H, Wrayde S, Merhabi S, Dhaybi I, Jamal S, Chahine M, Bayaa R, Tourba F, Tantawi H, Al Atrouni A, Omari K, Ayash O, Zeidan N, Mallat H, Dabboussi F, Hamze M, Osman M. First Lebanese Antibiotic Awareness Week campaign: knowledge, attitudes and practices towards antibiotics. Journal Of Hospital Infection 2018, 101: 475-479. PMID: 30012377, DOI: 10.1016/j.jhin.2018.07.009.Peer-Reviewed Original Research
2017
High association of Cryptosporidium spp. infection with colon adenocarcinoma in Lebanese patients
Osman M, Benamrouz S, Guyot K, Baydoun M, Frealle E, Chabe M, Gantois N, Delaire B, Goffard A, Aoun A, Jurdi N, Dabboussi F, Even G, Slomianny C, Gosset P, Hamze M, Creusy C, Viscogliosi E, Certad G. High association of Cryptosporidium spp. infection with colon adenocarcinoma in Lebanese patients. PLOS ONE 2017, 12: e0189422. PMID: 29261714, PMCID: PMC5736188, DOI: 10.1371/journal.pone.0189422.Peer-Reviewed Original ResearchConceptsGroup of patientsLebanese patientsHuman colon cancerColon cancerColon adenocarcinomaPersistent digestive symptomsPersistent gastrointestinal symptomsRisk of infectionPotential etiological agentsPrevalence of CryptosporidiumDigestive symptomsGastrointestinal symptomsNormal biopsiesDigestive cancersColon neoplasiaDigestive biopsiesPatientsAdenocarcinomaBiopsyCancerPrevalenceEtiological agentHigh associationHuman cancersCryptosporidium prevalence
2016
Alarming increase in prevalence of Neisseria gonorrhoeae infections associated with a high level of antibiotic resistance in Tripoli, Lebanon
Hamze M, Osman M, Achkar M, Mallat H, Dabboussi F. Alarming increase in prevalence of Neisseria gonorrhoeae infections associated with a high level of antibiotic resistance in Tripoli, Lebanon. International Journal Of Antimicrobial Agents 2016, 48: 576-577. PMID: 27667565, DOI: 10.1016/j.ijantimicag.2016.08.003.Peer-Reviewed Original Research
2015
Initial Data on the Molecular Epidemiology of Cryptosporidiosis in Lebanon
Osman M, Safadi D, Benamrouz S, Guyot K, Dei-Cas E, Aliouat E, Creusy C, Mallat H, Hamze M, Dabboussi F, Viscogliosi E, Certad G. Initial Data on the Molecular Epidemiology of Cryptosporidiosis in Lebanon. PLOS ONE 2015, 10: e0125129. PMID: 25950832, PMCID: PMC4423932, DOI: 10.1371/journal.pone.0125129.Peer-Reviewed Original ResearchConceptsMajor public health problemPublic health problemZiehl-Neelsen stainingCryptosporidium sppC. parvum subtypesGastrointestinal disordersRare subtypeImmunocompromised personsOverall prevalenceGastrointestinal tractHealth problemsFecal specimensMolecular epidemiologyEpidemiologyC. parvumPositive samplesPatientsHigh rateC. hominisInfectionPrevalenceSubtypesGp60 locusNorth LebanonCryptosporidiumAcute Blastocystis-Associated Appendicular Peritonitis in a Child, Casablanca, Morocco - Volume 21, Number 1—January 2015 - Emerging Infectious Diseases journal - CDC
Fréalle E, Safadi D, Cian A, Aubry E, Certad G, Osman M, Wacrenier A, Dutoit E, Creusy C, Dubos F, Viscogliosi E. Acute Blastocystis-Associated Appendicular Peritonitis in a Child, Casablanca, Morocco - Volume 21, Number 1—January 2015 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 2015, 21: 91-94. PMID: 25528951, PMCID: PMC4285265, DOI: 10.3201/eid2101.140544.Peer-Reviewed Original Research
2013
Molecular Epidemiology of Blastocystis in Lebanon and Correlation between Subtype 1 and Gastrointestinal Symptoms
Safadi D, Meloni D, Poirier P, Osman M, Cian A, Gaayeb L, Wawrzyniak I, Delbac F, Alaoui H, Delhaes L, Dei-Cas E, Mallat H, Dabboussi F, Hamze M, Viscogliosi E. Molecular Epidemiology of Blastocystis in Lebanon and Correlation between Subtype 1 and Gastrointestinal Symptoms. American Journal Of Tropical Medicine And Hygiene 2013, 88: 1203-1206. PMID: 23458955, PMCID: PMC3752823, DOI: 10.4269/ajtmh.12-0777.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overBlastocystisBlastocystis InfectionsChildChild, PreschoolDNA, ProtozoanFecesFemaleGastrointestinal TractGenotypeHumansInfantLebanonMaleMiddle AgedMolecular EpidemiologyPrevalenceRibosome Subunits, SmallSequence Analysis, DNASpecimen HandlingYoung AdultConceptsLebanese populationCommon eukaryotic parasiteRibosomal RNA gene sequencingRNA gene sequencingAsymptomatic patientsGastrointestinal symptomsSymptomatic patientsSubtype 1Intestinal tractMolecular epidemiologyPatientsBlastocystis subtypesDirect light microscopyFecal samplesPublic healthSubtypesST distributionBlastocystis isolatesBlastocystisGene sequencingParasitesPopulationST1SymptomsEpidemiology