Laith J Abu‐raddad

Biographic Data

ID3463626
NAMELaith J Abu‐raddad
GIVEN NAMESLaith J
FAMILY NAMEAbu‐raddad
SIGNATURERADDAD L J A
AFFILIATIONSCornell University
ORCID0000-0003-0790-0506
VERIFIEDYes
TOTAL WORKS40
TOTAL CITATIONS2
AUTHOR COUNT40
EDITOR COUNT0
FIRST PUBLICATION YEAR2014
LATEST PUBLICATION YEAR2026
H-INDEX1

  • Epidemiology of Treponema pallidum , Chlamydia trachomatis , Neisseria gonorrhoeae and Trichomonas vaginalis among forcibly displaced populations

    Open AccessGhina R Mumtaz, Iman Fakih et al.ARTICLEBMJ Global Health2026

    Background Curable sexually transmitted infections (STIs), including Treponema pallidum (syphilis), Chlamydia trachomatis , Neisseria gonorrhoeae and Trichomonas vaginalis , remain a major global health concern; yet their epidemiology among forcibly displaced populations is poorly understood. Limited access to healthcare, high-risk exposures and structural vulnerabilities may contribute to a heightened burden of STIs in these populations. Methods…

  • Understanding dynamics and overlapping epidemiologies of HIV, HSV-2, chlamydia, gonorrhea, and syphilis in sexual networks of men who have sex with men

    Open AccessRyosuke Omori, HIAM CHEMAITELLY et al.ARTICLEFrontiers in Public Health2024

    Introduction: We aimed to investigate the overlapping epidemiologies of human immunodeficiency virus (HIV), herpes simplex virus type 2 (HSV-2), chlamydia, gonorrhea, and syphilis in sexual networks of men who have sex with men (MSM), and to explore to what extent the epidemiology of one sexually transmitted infection (STI) relates to or differs from that of another STI. Methods: An individual-based Monte Carlo simulation model was employed to si…

  • Comparative analysis and evolution of civilian versus combatant mortality ratios in Israel-Gaza conflicts, 2008–2023

    Open AccessHoussein H Ayoub, HIAM CHEMAITELLY et al.ARTICLEFrontiers in Public Health2024

    Background: There is a need for statistical methodologies that scrutinize civilian casualties in conflicts, evaluating the degree to which the conduct of war affects civilians and breaches the laws of war. Employing an epidemiological method, this study introduced, developed, and applied a novel approach for investigating mortality of civilians versus combatants in conflicts. Methods: A deterministic mathematical model, structured by age and sex,…

  • Epidemiology of herpes simplex virus type 1 in Canada

    Open AccessSawsan AlMukdad, Manale Harfouche et al.ARTICLEFrontiers in Public Health2023

  • Epidemiological impact of public health interventions against diabetes in Qatar

    Open AccessAsalah Alareeki, Susanne F Awad et al.ARTICLEFrontiers in Public Health2023

    Aims: To predict the epidemiological impact of specific, and primarily structural public health interventions that address lifestyle, dietary, and commuting behaviors of Qataris as well as subsidies and legislation to reduce type 2 diabetes mellitus (T2DM) burden among Qataris. Methods: A deterministic population-based mathematical model was used to investigate the impact of public health interventions on the epidemiology of T2DM among Qataris ag…

  • Treatment as prevention for hepatitis C virus in the Middle East and North Africa

    Open AccessHoussein H Ayoub, Sarwat Mahmud et al.ARTICLEFrontiers in Public Health2023

    Background: Direct-acting antivirals opened an opportunity for eliminating hepatitis C virus (HCV) infection in the Middle East and North Africa (MENA), the region most affected by HCV infection. Impact of HCV treatment as prevention (HCV-TasP) was investigated in 19 MENA countries. Methods: An age-structured mathematical model was used to assess program impact using epidemiologic and programming measures. The model was fitted to a database of sy…

  • Patterns and trends of hepatitis C virus infection in Jordan

    Open AccessIssa Abu-Dayyeh, Issa Abu‐Dayyeh et al.ARTICLEFrontiers in Public Health2023

    Background: Hepatitis C virus (HCV) infection levels in Jordan remain uncertain. No HCV national population-based survey has ever been conducted in the country. To meet the World Health Organization's target of reducing HCV incidence to ≤5 per 100,000 people per year by 2030, it is essential to determine the infection levels, identify affected individuals and populations, and provide appropriate treatment using direct-acting antivirals to individ…

  • All-cause and Covid-19 mortality in Qatar during the Covid-19 pandemic

    Open AccessAsma A AlNuaimi, Asma Ali Al-Nuaimi et al.ARTICLEBMJ Global Health2023

    OBJECTIVE: To investigate all-cause mortality, COVID-19 mortality and all-cause non-COVID-19 mortality in Qatar during the COVID-19 pandemic. METHODS: A national, retrospective cohort analysis and national, matched, retrospective cohort studies were conducted between 5 February 2020 and 19 September 2022. RESULTS: There were 5025 deaths during a follow-up time of 5 247 220 person-years, of which 675 were COVID-19 related. Incidence rates were 0.9…

  • Covid-19 disease severity in persons infected with the Omicron variant compared with the Delta variant in Qatar

    Open AccessAdeel A Butt, Soha R Dargham et al.ARTICLEJournal of Global Health2022

    Background: Understanding the disease severity associated with the Omicron variant of the SARS-CoV-2 virus is important in determining appropriate management strategies at the individual and population levels. We determined the severity of SARS-CoV-2 infection in persons infected with the Omicron vs the Delta variant. Methods: We identified individuals with SARS-CoV-2 infection with Delta and propensity-score matched controls with Omicron variant…

  • Characterizing the effective reproduction number during the Covid-19 pandemic

    Open AccessRaghid Bsat, HIAM CHEMAITELLY et al.ARTICLEJournal of Global Health2022

    BACKGROUND: estimations was conducted to guide the national COVID-19 response in Qatar, from the onset of the pandemic until August 18, 2021. METHODS: estimates were assessed by calculating correlation coefficients, and agreements between these estimates were assessed through Bland-Altman plots. RESULTS: . CONCLUSIONS: estimations in guiding national responses to the COVID-19 pandemic, even in resource-limited settings

  • Mathematical modeling of the Sars-CoV-2 epidemic in Qatar and its impact on the national response to Covid-19

    Open AccessHoussein H Ayoub, HIAM CHEMAITELLY et al.ARTICLEJournal of Global Health2021

    BACKGROUND: Mathematical modeling constitutes an important tool for planning robust responses to epidemics. This study was conducted to guide the Qatari national response to the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) epidemic. The study investigated the epidemic's time-course, forecasted health care needs, predicted the impact of social and physical distancing restrictions, and rationalized and justified easing of restrictio…

  • Vulnerability of Syrian refugees in Lebanon to Covid-19

    Open AccessFouad Mohamed Fouad, Stephen J McCall et al.ARTICLEConflict and Health2021

    Lebanon, a middle-income country with ongoing political turmoil, unstable economic situation, and a fragmented and under-resourced health system, hosts about one million Syrian refugees since 2011. While the country is currently experiencing substantial COVID-19 epidemic spread, no outbreaks have been reported yet among Syrian refugees. However, testing of this population remains limited and exposure levels are high given dire living conditions a…

  • Global burden of 87 risk factors in 204 countries and territories, 1990–2019

    Open AccessChristopher J L Murray, Aleksandr Y Aravkin et al.ARTICLEThe Lancet2020

    BACKGROUND: Rigorous analysis of levels and trends in exposure to leading risk factors and quantification of their effect on human health are important to identify where public health is making progress and in which cases current efforts are inadequate. The Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2019 provides a standardised and comprehensive assessment of the magnitude of risk factor exposure, relative risk, and attribu…

  • Global burden of 369 diseases and injuries in 204 countries and territories, 1990–2019

    Open AccessTheo Vos, Stephen S Lim et al.ARTICLEThe Lancet2020

    BACKGROUND: In an era of shifting global agendas and expanded emphasis on non-communicable diseases and injuries along with communicable diseases, sound evidence on trends by cause at the national level is essential. The Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) provides a systematic scientific assessment of published, publicly available, and contributed data on incidence, prevalence, and mortality for a mutually exclusive…

  • Herpes simplex virus type 1 in Europe

    Open AccessWajiha Yousuf, Hania Ibrahim et al.ARTICLEBMJ Global Health2020

  • Child and adolescent injury burden in the eastern mediterranean region

    Open AccessSamar Al‐hajj, Samar Al-Hajj et al.ARTICLEBMC Public Health2020

    Almost 19% of global child injury related deaths occur in the EMR. Concerted efforts should be integrated to inform policies and adopt injury preventive strategies to reduce injury burden and promote child and adolescent health and well-being in EMR countries

  • Chlamydia, gonorrhoea, trichomoniasis and syphilis

    Open AccessJane Rowley, Stephen Vander Hoorn et al.ARTICLEBulletin of the World Health…2019

    OBJECTIVE: To generate estimates of the global prevalence and incidence of urogenital infection with chlamydia, gonorrhoea, trichomoniasis and syphilis in women and men, aged 15-49 years, in 2016. METHODS: For chlamydia, gonorrhoea and trichomoniasis, we systematically searched for studies conducted between 2009 and 2016 reporting prevalence. We also consulted regional experts. To generate estimates, we used Bayesian meta-analysis. For syphilis, …

  • Global, Regional, and National Cancer Incidence, Mortality, Years of Life Lost, Years Lived With Disability, and Disability-Adjusted Life-Years for 29 Cancer Groups, 1990 to 2017

    Open AccessChristina Fitzmaurice, Global Burden of Disease Cancer Collaboration et al.ARTICLEJAMA Oncology2019

    Importance Cancer and other noncommunicable diseases (NCDs) are now widely recognized as a threat to global development. The latest United Nations high-level meeting on NCDs reaffirmed this observation and also highlighted the slow progress in meeting the 2011 Political Declaration on the Prevention and Control of Noncommunicable Diseases and the third Sustainable Development Goal. Lack of situational analyses, priority setting, and budgeting hav…

  • Global, regional, and national incidence, prevalence, and mortality of HIV, 1980–2017, and forecasts to 2030, for 195 countries and territories

    Open AccessTahvi D Frank, Tahvi Frank et al.ARTICLEThe Lancet HIV2019

    BACKGROUND: Understanding the patterns of HIV/AIDS epidemics is crucial to tracking and monitoring the progress of prevention and control efforts in countries. We provide a comprehensive assessment of the levels and trends of HIV/AIDS incidence, prevalence, mortality, and coverage of antiretroviral therapy (ART) for 1980-2017 and forecast these estimates to 2030 for 195 countries and territories. METHODS: We determined a modelling strategy for ea…

  • Forecasting the impact of diabetes mellitus on tuberculosis disease incidence and mortality in India

    Open AccessSusanne F Awad, Peijue Huangfu et al.ARTICLEJournal of Global Health2019

    BACKGROUND: In context of the rapidly expanding diabetes mellitus (DM) epidemic in India and slowly declining tuberculosis (TB) incidence, we aimed to estimate the past, current, and future impact of DM on TB epidemiology. METHODS: An age-structured TB-DM dynamical mathematical model was developed and analyzed to assess the DM-on-TB impact. The model was calibrated using a literature review and meta-analyses. The DM-on-TB impact was analyzed usin…

  • Global, regional, and national age-sex-specific mortality and life expectancy, 1950–2017

    Open AccessDaniel Dicker, Grant Nguyen et al.ARTICLEThe Lancet2018

    BACKGROUND: Assessments of age-specific mortality and life expectancy have been done by the UN Population Division, Department of Economics and Social Affairs (UNPOP), the United States Census Bureau, WHO, and as part of previous iterations of the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD). Previous iterations of the GBD used population estimates from UNPOP, which were not derived in a way that was internally consistent wit…

  • Global, regional, and national age-sex-specific mortality for 282 causes of death in 195 countries and territories, 1980–2017

    Open AccessGregory A Roth, D Abate et al.ARTICLEThe Lancet2018

    BACKGROUND: Global development goals increasingly rely on country-specific estimates for benchmarking a nation's progress. To meet this need, the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2016 estimated global, regional, national, and, for selected locations, subnational cause-specific mortality beginning in the year 1980. Here we report an update to that study, making use of newly available data and improved methods. GBD …

  • Global, regional, and national comparative risk assessment of 84 behavioural, environmental and occupational, and metabolic risks or clusters of risks for 195 countries and territories, 1990–2017

    Open AccessJeffrey D Stanaway, Ashkan Afshin et al.ARTICLEThe Lancet2018

    BackgroundThe Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2017 comparative risk assessment (CRA) is a comprehensive approach to risk factor quantification that offers a useful tool for synthesising evidence on risks and risk–outcome associations. With each annual GBD study, we update the GBD CRA to incorporate improved methods, new risks and risk–outcome pairs, and new data on risk exposure levels and risk–outcome associatio…

  • Measuring performance on the Healthcare Access and Quality Index for 195 countries and territories and selected subnational locations

    Open AccessNancy Fullman, Jamal A Yearwood et al.ARTICLEThe Lancet2018

    BACKGROUND: A key component of achieving universal health coverage is ensuring that all populations have access to quality health care. Examining where gains have occurred or progress has faltered across and within countries is crucial to guiding decisions and strategies for future improvement. We used the Global Burden of Diseases, Injuries, and Risk Factors Study 2016 (GBD 2016) to assess personal health-care access and quality with the Healthc…

  • Measuring progress from 1990 to 2017 and projecting attainment to 2030 of the health-related Sustainable Development Goals for 195 countries and territories

    Open AccessR Lozano, Nancy Fullman et al.ARTICLEThe Lancet2018

    BACKGROUND: Efforts to establish the 2015 baseline and monitor early implementation of the UN Sustainable Development Goals (SDGs) highlight both great potential for and threats to improving health by 2030. To fully deliver on the SDG aim of "leaving no one behind", it is increasingly important to examine the health-related SDGs beyond national-level estimates. As part of the Global Burden of Diseases, Injuries, and Risk Factors Study 2017 (GBD 2…