selected publications
- Prevalence of syphilis infection among migrant workers in Qatar: a nationwide cross-sectional survey. BMJ open. 2024 Academic Article GET IT
- BNT162b2 Versus mRNA-1273 Vaccines: Comparative Analysis of Long-Term Protection Against SARS-CoV-2 Infection and Severe COVID-19 in Qatar. Influenza and other respiratory viruses. 2024 Academic Article GET IT
- Association between COVID-19 vaccination and stroke: a nationwide case-control study in Qatar. International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases. 2024 Academic Article GET IT
- Prevalence of hepatitis B and C viruses among migrant workers in Qatar. Scientific reports. 2024 Academic Article GET IT
- Leveraging wastewater surveillance for managing the spread of SARS-CoV-2 and concerned pathogens during FIFA World Cup Qatar 2022. Heliyon. 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
- 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
- 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
- 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
- Middle East respiratory syndrome coronavirus (MERS-CoV) and the 2022 world cup football tournament in Qatar. Journal of travel medicine. 2023 Academic Article GET IT
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All-cause and COVID-19 mortality in Qatar during the COVID-19 pandemic.
BMJ global health.
2023
Academic Article
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Times cited: 16 - 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
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A new One Health Framework in Qatar for future emerging and re-emerging zoonotic diseases preparedness and response.
One health (Amsterdam, Netherlands).
2023
Review
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Times cited: 13 - 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
- 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
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Data-enabled responses to pandemics: policy lessons from COVID-19.
Nature medicine.
2022
Academic Article
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Times cited: 6 - 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
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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
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Times cited: 103 - 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
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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
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Times cited: 32 -
Duration of COVID-19 mRNA Vaccine Effectiveness against Severe Disease.
Vaccines.
2022
Academic Article
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Times cited: 5 - Application of human RNase P normalization for the realistic estimation of SARS-CoV-2 viral load in wastewater: A perspective from Qatar wastewater surveillance. Environmental technology & innovation. 2022 Academic Article 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
- 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
- Effect of mRNA Vaccine Boosters against SARS-CoV-2 Omicron Infection in Qatar. The New England journal of medicine. 2022 Academic Article 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
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Severity of Illness in Persons Infected With the SARS-CoV-2 Delta Variant vs Beta Variant in Qatar.
JAMA internal medicine.
2022
Academic Article
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Times cited: 72 - 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
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SARS-CoV-2 infection rates in air passengers arriving in Qatar.
Journal of travel medicine.
2021
Academic Article
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Times cited: 4 - 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
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SARS-CoV-2 vaccine effectiveness in preventing confirmed infection in pregnant women.
The Journal of clinical investigation.
2021
Academic Article
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Times cited: 51 - Severity of SARS-CoV-2 Reinfections as Compared with Primary Infections. The New England journal of medicine. 2021 Letter GET IT
- One Year of SARS-CoV-2: Genomic Characterization of COVID-19 Outbreak in Qatar. Frontiers in cellular and infection microbiology. 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
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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
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Times cited: 68 -
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
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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
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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
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Times cited: 45 - 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
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Herd Immunity against Severe Acute Respiratory Syndrome Coronavirus 2 Infection in 10 Communities, Qatar.
Emerging infectious diseases.
2021
Academic Article
GET IT
Times cited: 48 - SARS-CoV-2 antibody-positivity protects against reinfection for at least seven months with 95% efficacy. EClinicalMedicine. 2021 Academic Article GET IT
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Epidemiological impact of prioritising SARS-CoV-2 vaccination by antibody status: mathematical modelling analyses.
BMJ innovations.
2021
Academic Article
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Times cited: 11 -
Characterizing the Qatar advanced-phase SARS-CoV-2 epidemic.
Scientific reports.
2021
Academic Article
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Times cited: 79 -
Steps and Challenges in Creating and Managing Quarantine Capacity During a Global Emergency - Qatar's Experience.
Journal of infection and public health.
2021
Review
GET IT
Times cited: 5 -
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: 46 - 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
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Impact of COVID-19 upon changes in emergency room visits with chest pain of possible cardiac origin.
BMC research notes.
2020
Academic Article
GET IT
Times cited: 16 -
Protecting health in dry cities: considerations for policy makers.
BMJ (Clinical research ed.).
2020
Academic Article
GET IT
Times cited: 11 -
The first consecutive 5000 patients with Coronavirus Disease 2019 from Qatar; a nation-wide cohort study.
BMC infectious diseases.
2020
Academic Article
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Times cited: 35 -
Epidemiological investigation of the first 5685 cases of SARS-CoV-2 infection in Qatar, 28 February-18 April 2020.
BMJ open.
2020
Academic Article
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Times cited: 64 -
Hospital admission rates, length of stay, and in-hospital mortality for common acute care conditions in COVID-19 vs. pre-COVID-19 era.
Public health.
2020
Academic Article
GET IT
Times cited: 42 -
Volume and Acuity of Emergency Department Visits Prior To and After COVID-19.
The Journal of emergency medicine.
2020
Academic Article
GET IT
Times cited: 51 -
EXPOsOMICS: final policy workshop and stakeholder consultation.
BMC public health.
2018
Academic Article
GET IT
Times cited: 35 -
PRIORITIES FOR HEALTH ECONOMIC METHODOLOGICAL RESEARCH: RESULTS OF AN EXPERT CONSULTATION.
International journal of technology assessment in health care.
2017
Academic Article
GET IT
Times cited: 6 -
The Lancet Commission on pollution and health.
Lancet (London, England).
2017
Review
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Times cited: 2925 -
Health economic evidence gaps and methodological constraints in low back pain and neck pain: Results of the Research Agenda for Health Economic Evaluation (RAHEE) project.
Best practice & research. Clinical rheumatology.
2017
Review
GET IT
Times cited: 17 -
Access to healthcare for undocumented migrants: analysis of avoidable hospital admissions in Sicily from 2003 to 2013.
European journal of public health.
2017
Academic Article
GET IT
Times cited: 16 -
Economic evidence for the clinical management of major depressive disorder: a systematic review and quality appraisal of economic evaluations alongside randomised controlled trials.
Epidemiology and psychiatric sciences.
2016
Review
GET IT
Times cited: 14 -
Tobacco control in Europe: a policy review.
European respiratory review : an official journal of the European Respiratory Society.
2016
Review
GET IT
Times cited: 46 -
Mapping health research capacity in 17 countries of the former Soviet Union and south-eastern Europe: an exploratory study.
European journal of public health.
2015
Academic Article
GET IT
Times cited: 7 - Components of Sustainable Health Systems: What Is Known About The Cost-Effectiveness of Clinical Care?. Value in health : the journal of the International Society for Pharmacoeconomics and Outcomes Research. 2014 Academic Article GET IT
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Consolidated research agenda needed for health economic evaluation in Europe.
BMJ (Clinical research ed.).
2014
Letter
GET IT
Times cited: 5 -
Science, media and public perception: implications for climate and health policies.
Bulletin of the World Health Organization.
2010
Editorial Article
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Times cited: 10 -
Climate change: a time of need and opportunity for the health sector.
Lancet (London, England).
2009
Academic Article
GET IT
Times cited: 45 - Five candidates compete for regional director of WHO EURO. Interview by Clare Kapp and Udani Samarasekera. Lancet (London, England). 2009 Article GET IT
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Preventing the leading cause of death in young people in Europe.
Journal of epidemiology and community health.
2007
Editorial Article
GET IT
Times cited: 14 -
Reducing inequalities from injuries in Europe.
Lancet (London, England).
2006
Academic Article
GET IT
Times cited: 60 -
Health and climate change: a call for action.
BMJ (Clinical research ed.).
2005
Editorial Article
GET IT
Times cited: 20 -
Capacity building for epidemiologic research: a case study in the newly independent state of Azerbaijan.
Annals of epidemiology.
2005
Academic Article
GET IT
Times cited: 7 -
Industrial activities in sites at high environmental risk and their impact on the health of the population.
International journal of occupational and environmental health.
2005
Academic Article
GET IT
Times cited: 11 -
A dialogue on chemicals and children.
Bulletin of the World Health Organization.
2004
Editorial Article
GET IT
Times cited: 4 -
Burden of disease attributable to selected environmental factors and injury among children and adolescents in Europe.
Lancet (London, England).
2004
Academic Article
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Times cited: 127 -
The future for our children.
European journal of public health.
2004
Academic Article
GET IT
Times cited: 1 -
Catastrophic failures of public health.
Lancet (London, England).
2004
Letter
GET IT
Times cited: 1 -
Working across sectors for public health.
Bulletin of the World Health Organization.
2004
Editorial Article
GET IT
Times cited: 4 - Investing in children. Lancet (London, England). 2004 Letter GET IT
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The Precautionary Principle, science and human health protection.
International journal of occupational medicine and environmental health.
2004
Review
GET IT
Times cited: 10