Severity, criticality, and fatality of the SARS-CoV-2 Beta variant

Laith J Abu-Raddad, Hiam Chemaitelly, Houssein H Ayoub, Hadi M Yassine, Fatiha M Benslimane, Hebah A Al Khatib, Patrick Tang, Mohammad R Hasan, Peter Coyle, Sawsan AlMukdad, Zaina Al Kanaani, Einas Al Kuwari, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hanan F Abdul Rahim, Gheyath K Nasrallah, Mohamed Ghaith Al Kuwari, Adeel A ButtHamad Eid Al Romaihi, Mohamed H Al-Thani, Abdullatif Al Khal, Roberto Bertollini

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Abstract

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 critical disease were 1.49-fold (95% CI: 1.13-1.97) higher. Odds of COVID-19 death were 1.57-fold (95% CI: 1.03-2.43) higher.
Original languageEnglish
JournalClinical Infectious Diseases
Early online date17 Oct 2021
DOIs
Publication statusEarly online date - 17 Oct 2021

Keywords

  • infection
  • variant
  • SARS-CoV-2
  • epidemiology
  • case-control
  • severe disease

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