Chemaitelly, Hiam Souheil

Publications

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selected publications

Estimates of the incidence, prevalence, and factors associated with common sexually transmitted infections among Lebanese women. PloS one. 2024 Academic Article GET IT
Effectiveness of two and three doses of COVID-19 mRNA vaccines against infection, symptoms, and severity in the pre-omicron era: A time-dependent gradient. Vaccine. 2024 Academic Article GET IT
Protection of natural infection against reinfection with SARS-CoV-2 JN.1 variant. Journal of travel medicine. 2024 Academic Article GET IT
Understanding dynamics and overlapping epidemiologies of HIV, HSV-2, chlamydia, gonorrhea, and syphilis in sexual networks of men who have sex with men. Frontiers in public health. 2024 Academic Article GET IT
Addressing bias in the definition of SARS-CoV-2 reinfection: implications for underestimation. Frontiers in medicine. 2024 Academic Article GET IT
Estimating protection afforded by prior infection in preventing reinfection: Applying the test-negative study design. American journal of epidemiology. 2023 Academic Article GET IT
Patterns and trends of hepatitis C virus infection in Jordan: an observational study. Frontiers in public health. 2023 Academic Article GET IT
Hepatitis C infection seroprevalence in pregnant women worldwide: a systematic review and meta-analysis. EClinicalMedicine. 2023 Academic Article GET IT
SARS-CoV-2 infection and effects of age, sex, comorbidity, and vaccination among older individuals: A national cohort study. Influenza and other respiratory viruses. 2023 Academic Article GET IT
History of primary-series and booster vaccination and protection against Omicron reinfection. Science advances. 2023 Academic Article GET IT
Time to establish an international vaccine candidate pool for potential highly infectious respiratory disease: a community's view. EClinicalMedicine. 2023 Review GET IT
Short- and longer-term all-cause mortality among SARS-CoV-2- infected individuals and the pull-forward phenomenon in Qatar: A national cohort study. International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases. 2023 Academic Article GET IT
Seroprevalence of herpes simplex virus type 1 and type 2 among the migrant workers in Qatar. Virology journal. 2023 Academic Article GET IT
Bivalent mRNA-1273.214 vaccine effectiveness against SARS-CoV-2 omicron XBB* infections. Journal of travel medicine. 2023 Academic Article GET IT
Effects of previous infection, vaccination, and hybrid immunity against symptomatic Alpha, Beta, and Delta SARS-CoV-2 infections: an observational study. EBioMedicine. 2023 Academic Article GET IT
Population immunity of natural infection, primary-series vaccination, and booster vaccination in Qatar during the COVID-19 pandemic: an observational study. EClinicalMedicine. 2023 Academic Article GET IT
Treatment as prevention for hepatitis C virus in the Middle East and North Africa: a modeling study. Frontiers in public health. 2023 Academic Article GET IT
All-cause and COVID-19 mortality in Qatar during the COVID-19 pandemic. BMJ global health. 2023 Academic Article GET IT
Times cited: 8
Long-term COVID-19 booster effectiveness by infection history and clinical vulnerability and immune imprinting: a retrospective population-based cohort study. The Lancet. Infectious diseases. 2023 Academic Article GET IT
BNT162b2 antigen dose and SARS-CoV-2 omicron infection in adolescents. The Lancet. Infectious diseases. 2023 Letter GET IT
Protection against Reinfection with the Omicron BA.2.75 Subvariant. The New England journal of medicine. 2023 Letter GET IT
Genetic diversity of human papillomavirus (HPV) as specified by the detection method, gender, and year of sampling: a retrospective cross-sectional study. Archives of gynecology and obstetrics. 2023 Academic Article GET IT
SARS-CoV-2 seroprevalence in children worldwide: A systematic review and meta-analysis. EClinicalMedicine. 2022 Academic Article GET IT
Effectiveness of influenza vaccination against SARS-CoV-2 infection among healthcare workers in Qatar. Journal of infection and public health. 2022 Academic Article GET IT
Characterizing trends and associations for hepatitis C virus antibody prevalence in the Middle East and North Africa: meta-regression analyses. Scientific reports. 2022 Academic Article GET IT
Protection from previous natural infection compared with mRNA vaccination against SARS-CoV-2 infection and severe COVID-19 in Qatar: a retrospective cohort study. The Lancet. Microbe. 2022 Academic Article GET IT
Covid-19 Vaccine Protection among Children and Adolescents in Qatar. The New England journal of medicine. 2022 Academic Article GET IT
Immune Imprinting and Protection against Repeat Reinfection with SARS-CoV-2. The New England journal of medicine. 2022 Letter GET IT
Protective Effect of Previous SARS-CoV-2 Infection against Omicron BA.4 and BA.5 Subvariants. The New England journal of medicine. 2022 Letter GET IT
Duration of immune protection of SARS-CoV-2 natural infection against reinfection. Journal of travel medicine. 2022 Academic Article GET IT
Effectiveness of the neutralizing antibody sotrovimab among high-risk patients with mild-to-moderate SARS-CoV-2 in Qatar. International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases. 2022 Academic Article GET IT
Effects of SARS-CoV-2 Alpha, Beta, and Delta variants, age, vaccination, and prior infection on infectiousness of SARS-CoV-2 infections. Frontiers in immunology. 2022 Academic Article GET IT
Coronavirus Disease 2019 Disease Severity in Children Infected With the Omicron Variant. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America. 2022 Academic Article GET IT
Times cited: 77
Global prevalence of Neisseria gonorrhoeae infection in pregnant women: a systematic review and meta-analysis. Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases. 2022 Review GET IT
Protection of Omicron sub-lineage infection against reinfection with another Omicron sub-lineage. Nature communications. 2022 Academic Article GET IT
COVID-19 risk score as a public health tool to guide targeted testing: A demonstration study in Qatar. PloS one. 2022 Academic Article GET IT
COVID-19 disease severity in persons infected with the Omicron variant compared with the Delta variant in Qatar. Journal of global health. 2022 Academic Article GET IT
Times cited: 29
HIV incidence and impact of interventions among female sex workers and their clients in the Middle East and north Africa: a modelling study. The lancet. HIV. 2022 Academic Article GET IT
Status of the HIV epidemic in key populations in the Middle East and north Africa: knowns and unknowns. The lancet. HIV. 2022 Review GET IT
Effects of Previous Infection and Vaccination on Symptomatic Omicron Infections. The New England journal of medicine. 2022 Academic Article GET IT
Duration of mRNA vaccine protection against SARS-CoV-2 Omicron BA.1 and BA.2 subvariants in Qatar. Nature communications. 2022 Academic Article GET IT
Effects of BA.1/BA.2 subvariant, vaccination, and prior infection on infectiousness of SARS-CoV-2 omicron infections. Journal of travel medicine. 2022 Academic Article GET IT
Analyzing inherent biases in SARS-CoV-2 PCR and serological epidemiologic metrics. BMC infectious diseases. 2022 Academic Article GET IT
Reporting of RT-PCR cycle threshold (Ct) values during the first wave of COVID-19 in Qatar improved result interpretation in clinical and public health settings. Journal of medical microbiology. 2022 Academic Article GET IT
Modeling the population-level impact of treatment on COVID-19 disease and SARS-CoV-2 transmission. Epidemics. 2022 Academic Article GET IT
Effect of mRNA Vaccine Boosters against SARS-CoV-2 Omicron Infection in Qatar. The New England journal of medicine. 2022 Academic Article GET IT
First characterisation of antimicrobial susceptibility and resistance of Neisseria gonorrhoeae isolates in Qatar, 2017-2020. PloS one. 2022 Academic Article GET IT
Waning effectiveness of COVID-19 vaccines. Lancet (London, England). 2022 Comment GET IT
Protection against the Omicron Variant from Previous SARS-CoV-2 Infection. The New England journal of medicine. 2022 Letter GET IT
Characterizing the effective reproduction number during the COVID-19 pandemic: Insights from Qatar's experience. Journal of global health. 2022 Academic Article GET IT
Severity of Illness in Persons Infected With the SARS-CoV-2 Delta Variant vs Beta Variant in Qatar. JAMA internal medicine. 2022 Academic Article GET IT
Times cited: 64
Assessing the performance of a serological point-of-care test in measuring detectable antibodies against SARS-CoV-2. PloS one. 2022 Academic Article GET IT
Relative infectiousness of SARS-CoV-2 vaccine breakthrough infections, reinfections, and primary infections. Nature communications. 2022 Academic Article GET IT
Waning mRNA-1273 Vaccine Effectiveness against SARS-CoV-2 Infection in Qatar. The New England journal of medicine. 2022 Letter GET IT
Effectiveness of mRNA-1273 and BNT162b2 Vaccines in Qatar. The New England journal of medicine. 2022 Letter GET IT
SARS-CoV-2 infection rates in air passengers arriving in Qatar. Journal of travel medicine. 2021 Academic Article GET IT
Times cited: 2
Introduction and expansion of the SARS-CoV-2 B.1.1.7 variant and reinfections in Qatar: A nationally representative cohort study. PLoS medicine. 2021 Academic Article GET IT
Efficacy of Natural Immunity against SARS-CoV-2 Reinfection with the Beta Variant. The New England journal of medicine. 2021 Letter GET IT
SARS-CoV-2 vaccine effectiveness in preventing confirmed infection in pregnant women. The Journal of clinical investigation. 2021 Academic Article GET IT
Times cited: 46
Severity of SARS-CoV-2 Reinfections as Compared with Primary Infections. The New England journal of medicine. 2021 Letter GET IT
Estimates of global SARS-CoV-2 infection exposure, infection morbidity, and infection mortality rates in 2020. Global epidemiology. 2021 Academic Article GET IT
BNT162b2 and mRNA-1273 COVID-19 vaccine effectiveness against the SARS-CoV-2 Delta variant in Qatar. Nature medicine. 2021 Academic Article GET IT
Association of Prior SARS-CoV-2 Infection With Risk of Breakthrough Infection Following mRNA Vaccination in Qatar. JAMA. 2021 Academic Article GET IT
Severity, criticality, and fatality of the SARS-CoV-2 Beta variant. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America. 2021 Academic Article GET IT
Waning of BNT162b2 Vaccine Protection against SARS-CoV-2 Infection in Qatar. The New England journal of medicine. 2021 Academic Article GET IT
SARS-CoV-2 infection hospitalization, severity, criticality, and fatality rates in Qatar. Scientific reports. 2021 Academic Article GET IT
Real-Time SARS-CoV-2 Genotyping by High-Throughput Multiplex PCR Reveals the Epidemiology of the Variants of Concern in Qatar. International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases. 2021 Academic Article GET IT
Outcomes Among Patients with Breakthrough SARS-CoV-2 Infection After Vaccination. International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases. 2021 Academic Article GET IT
Times cited: 60
mRNA-1273 COVID-19 vaccine effectiveness against the B.1.1.7 and B.1.351 variants and severe COVID-19 disease in Qatar. Nature medicine. 2021 Academic Article GET IT
Times cited: 6
Analytic comparison between three high-throughput commercial SARS-CoV-2 antibody assays reveals minor discrepancies in a high-incidence population. Scientific reports. 2021 Academic Article GET IT
Pfizer-BioNTech mRNA BNT162b2 Covid-19 vaccine protection against variants of concern after one versus two doses. Journal of travel medicine. 2021 Academic Article GET IT
SARS-CoV-2 seroprevalence in the urban population of Qatar: An analysis of antibody testing on a sample of 112,941 individuals. iScience. 2021 Academic Article GET IT
Times cited: 41
Effectiveness of the BNT162b2 Covid-19 Vaccine against the B.1.1.7 and B.1.351 Variants. The New England journal of medicine. 2021 Article GET IT
Times cited: 660
SARS-CoV-2 Infection Is at Herd Immunity in the Majority Segment of the Population of Qatar. Open forum infectious diseases. 2021 Academic Article GET IT
Herd Immunity against Severe Acute Respiratory Syndrome Coronavirus 2 Infection in 10 Communities, Qatar. Emerging infectious diseases. 2021 Academic Article GET IT
Times cited: 41
Development, translation, and validation of a bilingual questionnaire on unused medications in homes. Saudi pharmaceutical journal : SPJ : the official publication of the Saudi Pharmaceutical Society. 2021 Academic Article GET IT
Analytic Characterization of the Herpes Simplex Virus Type 2 Epidemic in the United States, 1950-2050. Open forum infectious diseases. 2021 Academic Article GET IT
SARS-CoV-2 antibody-positivity protects against reinfection for at least seven months with 95% efficacy. EClinicalMedicine. 2021 Academic Article GET IT
Epidemiological impact of prioritising SARS-CoV-2 vaccination by antibody status: mathematical modelling analyses. BMJ innovations. 2021 Academic Article GET IT
Times cited: 11
Characterizing the Qatar advanced-phase SARS-CoV-2 epidemic. Scientific reports. 2021 Academic Article GET IT
Times cited: 66
Epidemiological Differences in the Impact of COVID-19 Vaccination in the United States and China. Vaccines. 2021 Academic Article GET IT
Times cited: 19
Mathematical modeling of the SARS-CoV-2 epidemic in Qatar and its impact on the national response to COVID-19. Journal of global health. 2021 Academic Article GET IT
Times cited: 42
Assessment of the risk of SARS-CoV-2 reinfection in an intense re-exposure setting. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America. 2020 Academic Article GET IT
Characterizing key attributes of COVID-19 transmission dynamics in China's original outbreak: Model-based estimations. Global epidemiology. 2020 Academic Article GET IT
Times cited: 16
Epidemiological Impact of SARS-CoV-2 Vaccination: Mathematical Modeling Analyses. Vaccines. 2020 Academic Article GET IT
Times cited: 64
Age could be driving variable SARS-CoV-2 epidemic trajectories worldwide. PloS one. 2020 Academic Article GET IT
Times cited: 24
Epidemiological Impact of Novel Preventive and Therapeutic HSV-2 Vaccination in the United States: Mathematical Modeling Analyses. Vaccines. 2020 Academic Article GET IT
Times cited: 15
Characterizing the historical role of parenteral antischistosomal therapy in hepatitis C virus transmission in Egypt. International journal of epidemiology. 2020 Academic Article GET IT
Times cited: 8
Hepatitis C Virus Infection in Populations With Liver-Related Diseases in the Middle East and North Africa. Hepatology communications. 2020 Academic Article GET IT
The status of hepatitis C virus infection among people who inject drugs in the Middle East and North Africa. Addiction (Abingdon, England). 2020 Information Resource GET IT
Times cited: 21
Key associations for hepatitis C virus genotypes in the Middle East and North Africa. Journal of medical virology. 2019 Academic Article GET IT
Times cited: 11
Characterizing herpes simplex virus type 1 and type 2 seroprevalence declines and epidemiological association in the United States. PloS one. 2019 Academic Article GET IT
Times cited: 38
Reply to Brijwal et al. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America. 2019 Article GET IT
Seriously misleading results using inverse of Freeman-Tukey double arcsine transformation in meta-analysis of single proportions. Research synthesis methods. 2019 Academic Article GET IT
Times cited: 311
Characterizing the transitioning epidemiology of herpes simplex virus type 1 in the USA: model-based predictions. BMC medicine. 2019 Academic Article GET IT
Times cited: 67
Herpes simplex virus type 1 epidemiology in the Middle East and North Africa: systematic review, meta-analyses, and meta-regressions. Scientific reports. 2019 Information Resource GET IT
Times cited: 34
Who to Test for Hepatitis C Virus in the Middle East and North Africa?: Pooled Analyses of 2,500 Prevalence Measures, Including 49 Million Tests. Hepatology communications. 2019 Information Resource GET IT
Does infection with Chlamydia trachomatis induce long-lasting partial immunity? Insights from mathematical modelling. Sexually transmitted infections. 2018 Academic Article GET IT
Times cited: 13
Hepatitis C virus infection spontaneous clearance: Has it been underestimated?. International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases. 2018 Academic Article GET IT
Times cited: 12
Temporal evolution of HIV sero-discordancy patterns among stable couples in sub-Saharan Africa. PloS one. 2018 Academic Article GET IT
Individual-level key associations and modes of exposure for hepatitis C virus infection in the Middle East and North Africa: a systematic synthesis. Annals of epidemiology. 2018 Academic Article GET IT
Times cited: 10
Characterizing hepatitis C virus epidemiology in Egypt: systematic reviews, meta-analyses, and meta-regressions. Scientific reports. 2018 Information Resource GET IT
Times cited: 115
Mapping of new HIV infections in Morocco and impact of select interventions. International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases. 2017 Academic Article GET IT
Times cited: 8
Estimating the annual risk of HIV transmission within HIV sero-discordant couples in sub-Saharan Africa. International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases. 2017 Academic Article GET IT
Times cited: 4
Epidemiology of hepatitis C virus among hemodialysis patients in the Middle East and North Africa: systematic syntheses, meta-analyses, and meta-regressions. Epidemiology and infection. 2017 Information Resource GET IT
Times cited: 14
Self-rated health disparities among disadvantaged older adults in ethnically diverse urban neighborhoods in a Middle Eastern country. Ethnicity & health. 2016 Academic Article GET IT
Times cited: 7
The epidemiology of hepatitis C virus in Afghanistan: systematic review and meta-analysis. International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases. 2015 Information Resource GET IT
Times cited: 23
Characterizing HIV epidemiology in stable couples in Cambodia, the Dominican Republic, Haiti, and India. Epidemiology and infection. 2015 Academic Article GET IT
Times cited: 4
Dynamics of non-cohabiting sex partnering in sub-Saharan Africa: a modelling study with implications for HIV transmission. Sexually transmitted infections. 2015 Academic Article GET IT
Times cited: 20
Prevention of type II diabetes mellitus in Qatar: Who is at risk?. Qatar medical journal. 2014 Academic Article GET IT
Times cited: 10
Sources of HIV incidence among stable couples in sub-Saharan Africa. Journal of the International AIDS Society. 2014 Academic Article GET IT
Times cited: 59
The risk of HIV transmission within HIV-1 sero-discordant couples appears to vary across sub-Saharan Africa. Epidemics. 2013 Academic Article GET IT
Times cited: 35
An apparent lack of epidemiologic association between hepatitis C virus knowledge and the prevalence of hepatitis C infection in a national survey in Egypt. PloS one. 2013 Academic Article GET IT
Times cited: 18
Only a fraction of new HIV infections occur within identifiable stable discordant couples in sub-Saharan Africa. AIDS (London, England). 2013 Academic Article GET IT
Times cited: 32
The role of gender in the association of social capital, social support, and economic security with self-rated health among older adults in deprived communities in Beirut. Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation. 2012 Academic Article GET IT
Times cited: 35
External infections contribute minimally to HIV incidence among HIV sero-discordant couples in sub-Saharan Africa. Sexually transmitted infections. 2012 Academic Article GET IT
Times cited: 19
Distinct HIV discordancy patterns by epidemic size in stable sexual partnerships in sub-Saharan Africa. Sexually transmitted infections. 2012 Academic Article GET IT
Times cited: 72
The importance of diabetes mellitus in the global epidemic of cardiovascular disease: the case of the state of Qatar. Transactions of the American Clinical and Climatological Association. 2012 Academic Article GET IT
Times cited: 7
Validation of the Arabic version of the short Geriatric Depression Scale (GDS-15). International psychogeriatrics. 2008 Academic Article GET IT
Times cited: 41
Knowledge, attitudes, and practices of argileh (water pipe or hubble-bubble) and cigarette smoking among pregnant women in Lebanon. Addictive behaviors. 2004 Academic Article GET IT
Times cited: 65
Argileh smoking among university students: a new tobacco epidemic. Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco. 2004 Academic Article GET IT
Times cited: 79

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Background

education and training

Ph.D., London School of Hygiene and Tropical Medicine (United Kingdom) 22
M.Sc., American University of Beirut (Lebanon) 2005
B.Sc., American University of Beirut (Lebanon) 2003

Contact

full name

Hiam Souheil Chemaitelly

primary email

hsc2001@qatar-med.cornell.edu

VIVO Weill Cornell Medical College

Hiam Souheil Chemaitelly Assistant Professor of Research in Population Health Sciences

Publications

selected publications

Background

education and training

Contact

full name

primary email

Phone

Publications

selected publications

Background

education and training

Contact

full name

primary email