Associations of Vaccination and of Prior Infection With Positive PCR Test Results for SARS-CoV-2 in Airline Passengers Arriving in Qatar

Authors :: Hiam Chemaitelly
Mohamed H. Al-Thani
Abdullatif Al-Khal
Laith J. Abu-Raddad
Hadi M. Yassine
Roberto Bertollini
Source :: JAMA
Publication Year :: 2021
Publisher :: American Medical Association (AMA), 2021.
Abstract: This study explores the association of vaccination against COVID-19 or prior SARS-CoV-2 infection with PCR test positivity in airline passengers arriving in Qatar, February-April 2021.

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