• Prevalence, Risk Factors, Harm Perception, and Attitudes Toward E-cigarette Use Among University Students in Qatar: A Cross-Sectional Study. 

      Kurdi, Rana; Al-Jayyousi, Ghadir Fakhri; Yaseen, Manar; Ali, Aatefeh; Mosleh, Neama; ... more authors ( Frontiers Media , 2021 , Article)
      Electronic cigarette (e-cigarette) use is becoming more popular worldwide, especially among youth. Studies report that university students have inadequate knowledge as well as misconceptions about the health risks of ...
    • Protection against Reinfection with the Omicron BA.2.75 Subvariant 

      Chemaitelly, Hiam; Tang, Patrick; Coyle, Peter; Yassine, Hadi M.; Al-Khatib, Hebah A.; ... more authors ( Massachusetts Medical Society , 2023 , Other)
      The BA.2.75 sublineage of the B.1.1.529 (omicron) variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) may escape neutralizing antibodies. The BA.2.75 sublineage (primarily the BA.2.75.2 subvariant) ...
    • Protection against the omicron variant from previous SARS-CoV-2 infection 

      Altarawneh, Heba N.; Chemaitelly, Hiam; Hasan, Mohammad R.; Ayoub, Houssein H.; Qassim, Suelen; ... more authors ( Massachusetts Medical Society , 2022 , Other)
      Natural infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) elicits strong protection against reinfection with the B.1.1.7 (alpha),1,2 B.1.351 (beta),1 and B.1.617.2 (delta)3 variants. However, the ...
    • Protection from previous natural infection compared with mRNA vaccination against SARS-CoV-2 infection and severe COVID-19 in Qatar: a retrospective cohort study 

      Hiam, Chemaitelly; Ayoub, Houssein H; AlMukdad, Sawsan; Coyle, Peter; Tang, Patrick; ... more authors ( Elsevier , 2022 , Article)
      BackgroundUnderstanding protection conferred by natural SARS-CoV-2 infection versus COVID-19 vaccination is important for informing vaccine mandate decisions. We compared protection conferred by natural infection versus ...
    • Protection of Omicron sub-lineage infection against reinfection with another Omicron sub-lineage 

      Chemaitelly, Hiam; Ayoub, Houssein H.; Coyle, Peter; Tang, Patrick; Yassine, Hadi M.; ... more authors ( Nature Research , 2022 , Article)
      There is significant genetic distance between SARS-CoV-2 Omicron (B.1.1.529) variant BA.1 and BA.2 sub-lineages. This study investigates immune protection of infection with one sub-lineage against reinfection with the other ...
    • Relative infectiousness of SARS-CoV-2 vaccine breakthrough infections, reinfections, and primary infections. 

      Abu-Raddad, Laith J; Chemaitelly, Hiam; Ayoub, Houssein H; Tang, Patrick; Coyle, Peter; ... more authors ( Springer , 2022 , Article)
      SARS-CoV-2 breakthrough infections in vaccinated individuals and in those who had a prior infection have been observed globally, but the transmission potential of these infections is unknown. The RT-qPCR cycle threshold ...
    • The Reproductive Agency Scale (RAS-17): Development and validation in a cross-sectional study of pregnant Qatari and non-Qatari Arab Women 

      Yount, Kathryn M.; James-Hawkins, Laurie; Abdul Rahim, Hanan F. ( BMC , 2020 , Article)
      © 2020 The Author(s). Background: Sustainable Development Goal (SDG) 5 prioritizes women's empowerment and gender equality, alone and as drivers of other SDGs. Efforts to validate universal measures of women's empowerment ...
    • SARS-CoV-2 antibody-positivity protects against reinfection for at least seven months with 95% efficacy 

      Laith J., Abu-Raddad; Chemaitelly, Hiam; Coyle, Peter; Malek, Joel A.; Ahmed, Ayeda A.; ... more authors ( Elsevier , 2021 , Article)
      Background Reinfection with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been documented, raising public health concerns. SARS-CoV-2 reinfections were assessed in a cohort of antibody-positive persons ...
    • SARS-CoV-2 Infection Is at Herd Immunity in the Majority Segment of the Population of Qatar. 

      Al-Thani, Mohamed H; Farag, Elmoubasher; Bertollini, Roberto; Al Romaihi, Hamad Eid; Abdeen, Sami; ... more authors ( Oxford University Press , 2021 , Article)
      Qatar experienced a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) epidemic that disproportionately affected the craft and manual worker (CMW) population, who comprise 60% of the total population. This study ...
    • SARS-CoV-2 seroprevalence in the urban population of Qatar: An analysis of antibody testing on a sample of 112,941 individuals 

      Peter V., Coyle; Chemaitelly, Hiam; Ben Hadj Kacem, Mohamed Ali; Abdulla Al Molawi, Naema Hassan; El Kahlout, Reham Awni; ... more authors ( Elsevier , 2021 , Article)
      The study objective was to the assess level of detectable severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibodies in the urban population of Qatar. Antibody testing was performed on residual blood specimens ...
    • Seroprevalence of herpes simplex virus type 1 and type 2 among the migrant workers in Qatar 

      Nasrallah, Gheyath K.; Dargham, Soha R.; Al-Sadeq, Duaa W.; Amanullah, Fathima H.; Shurrab, Farah M.; ... more authors ( Springer , 2023 , Article)
      Background: Limited data exists on herpes simplex virus type 1 (HSV-1) and type 2 (HSV-2) infections in migrant populations. This study investigated HSV-1 and HSV-2 seroprevalences and associations among craft and manual ...
    • Severity, Criticality, and Fatality of the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Beta Variant 

      Abu-Raddad, Laith J; Chemaitelly, Hiam; Ayoub, Houssein H; Yassine, Hadi M; Benslimane, Fatiha M; ... more authors ( Oxford Academic , 2021 , Article)
      Beta (B.1.351) variant COVID-19 disease was investigated in Qatar. Compared to Alpha (B.1.1.7) variant, odds of progressing to severe disease were 1.24-fold (95% CI: 1.11-1.39) higher for Beta. Odds of progressing to ...
    • Students' perceptions of a university 'No Smoking' policy and barriers to implementation: a cross- sectional study. 

      Al-Jayyousi, Ghadir Fakhri; Kurdi, Rana; Alsaei, Shahd; Al-Kaabi, Haya; Alrushdi, Al Jaziya; ... more authors (2021 , Article)
      Effective policies are an important tool for reducing tobacco use. We examine student perceptions of the existing no-smoking policy in the country's largest national university and identify perceived barriers to its ...
    • This House believes that considering the continuous quarantine and precautionary measures should be of a priority over lifting the restrictions to avoid the negative economic and social consequences 

      Baraka, Jawaher Z A; Toft, Egon; El-Awaisi, Alla; Abdul Rahim, Hanan; Alali, Feras; ... more authors ( College of Medicine - Qatar University , 2020 , Video)
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    • Two prolonged viremic SARS-CoV-2 infections with conserved viral genome for two months 

      Laith J., Abu-Raddad; Chemaitelly, Hiam; Malek, Joel A.; Ahmed, Ayeda A.; Mohamoud, Yasmin A.; ... more authors ( Elsevier , 2021 , Article)
      We document two cases of viremic and prolonged active infection with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) where the viral genome was conserved for two months, but infection was with little or ...
    • Validation of three mental health scales among pregnant women in Qatar 

      Roof, Katherine A.; James-Hawkins, Laurie; Abdul Rahim, Hanan F.; Yount, Kathryn M. ( BMC , 2019 , Article)
      Objectives The objective of this study is to validate three mental health scales in a targeted sample of pregnant Arab women living in Qatar: the Kuwait University Anxiety Scale, the Perceived Stress Scale, and the Edinburgh ...
    • Waning of BNT162b2 Vaccine Protection against SARS-CoV-2 Infection in Qatar. 

      Chemaitelly, Hiam; Tang, Patrick; Hasan, Mohammad R; AlMukdad, Sawsan; Yassine, Hadi M; ... more authors ( Massachusetts Medical Society , 2021 , Article)
      Waning of vaccine protection against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection or coronavirus disease 2019 (Covid-19) is a concern. The persistence of BNT162b2 (Pfizer-BioNTech) vaccine ...
    • Willingness to participate in genome testing: a survey of public attitudes from Qatar 

      Abdul-Rahim, Hanan; Ismail, Said; Hasan, Amel; Fadl, Tasnim; Khaled, Salma; ... more authors ( Springer , 2020 , Article)
      Genomics has the potential to revolutionize medical approaches to disease prevention, diagnosis, and treatment, but it does not come without challenges. The success of a national population-based genome program, like the ...
    • Worldwide trends in hypertension prevalence and progress in treatment and control from 1990 to 2019: a pooled analysis of 1201 population-representative studies with 104 million participants 

      Bin, Zhou; Carrillo-Larco, Rodrigo M; Danaei, Goodarz; Riley, Leanne M; Paciorek, Christopher J; ... more authors (2021 , Article)
      Background Hypertension can be detected at the primary health-care level and low-cost treatments can effectively control hypertension. We aimed to measure the prevalence of hypertension and progress in its detection, ...