作者
Adeel A Butt, Soha R Dargham, Hiam Chemaitelly, Abdullatif Al Khal, Patrick Tang, Mohammad R Hasan, Peter V Coyle, Anil G Thomas, Abdelsalam M Borham, Elli G Concepcion, Anvar H Kaleeckal, Ali Nizar Latif, Roberto Bertollini, Abdul-Badi Abou-Samra, Laith J Abu-Raddad
发表日期
2022/2/1
期刊
JAMA internal medicine
卷号
182
期号
2
页码范围
197-205
出版商
American Medical Association
简介
Importance
The Delta variant is now the predominant circulating SARS-CoV-2 strain worldwide. Severity of illness in persons infected with the SARS-CoV-2 Delta variant compared with the Beta variant is not known.
Objective
To directly compare clinical outcomes in persons infected with the SARS-CoV-2 Delta variant vs those infected with the Beta variant in Qatar.
Design, Setting, and Participants
This retrospective cohort study used data from the national COVID-19 database in Qatar, which includes information on all individuals who were ever tested for SARS-CoV-2 using a reverse transcriptase–polymerase chain reaction test and all individuals who received any SARS-CoV-2 vaccine in Qatar. Among persons with confirmed SARS-CoV-2 infection between March 22 and July 7, 2021, those infected with the Delta variant were identified and were propensity score matched with control individuals infected with the …
学术搜索中的文章
AA Butt, SR Dargham, H Chemaitelly, A Al Khal… - JAMA internal medicine, 2022