• Herd immunity against severe acute respiratory syndrome coronavirus 2 infection in 10 communities, qatar 

      Jeremijenko, A.; Chemaitelly, H.; Ayoub, H.H.; Alishaq, M.; Abou-Samra, A.-B.; ... more authors ( Centers for Disease Control and Prevention (CDC) , 2021 , Article)
      We investigated what proportion of the population acquired severe acute respiratory syndrome coronavirus 2 (SARSCoV- 2) infection and whether the herd immunity threshold has been reached in 10 communities in Qatar. The ...
    • Impact of Smoking on COVID-19 Symptoms in Non-Vaccinated Patients: A Matched Observational Study from Qatar 

      Haider, M.Z.; Al-Mannai, A.; Al-Sirhan, S.; Elsabagh, A.; Nasser, N.; ... more authors ( Dove Medical Press Ltd , 2022 , Article)
      Purpose: Predisposition to acute illness from COVID-19 is suggested to correlate with cigarette smoking as it augments the risk of developing cardiovascular and respiratory illnesses, including infections. However, the ...