Screening of Asymptomatic Passengers’ Departure from Qatar: A Retrospective Observational Study: OAJBS Publishers

Screening of Asymptomatic Passengers’ Departure from Qatar: A Retrospective Observational Study by Ismail Dergaa* in Open Access Journal of Biomedical Science (OAJBS)

Introduction: International travel has played a significant role in the 2019 coronavirus disease pandemic (COVID-19) and especially the spread of the new strains all over the world. To prevent the spread of the causative agent, many nations and airline companies around the world have applied travel restrictions policies as a ubiquitous tool to limit further spread of COVID-19. A negative reverse-transcriptase polymerase chain reaction (RT-PCR) performed by a clinical laboratory within 48-72 hours of departure has been a common requirement.

Aim: To assess the relative frequency of detection of COVID-19 positive rates amongst asymptomatic passengers through RTPCR.

Methods: In this retrospective study, we analysed data from medical e-records of 2,172 asymptomatic passengers flying out from Qatar to their respective countries in the month of July’ 2020. These passengers had a RT-PCR COVID-19 test done 72h prior to their travel date at a designated COVID Centre in Qatar.

Results: From the total of 2,172 asymptomatic passengers (63% males), 57 (2.62%) were COVID-19 positive, with 20 (35.09%) passengers having a high viral load signifying high infectivity measured by the cycle threshold values (CT value <30).

Conclusion: These findings highlight the importance of recognising potential COVID-19 positive patients to help mitigate the global impacts of COVID-19 by preventing travel of infective patients, especially with the emergence of the new COVID-19 strains and hence limiting the spread of this pandemic.
https://biomedscis.com/fulltext/screening-of-asymptomatic-passengers-departure-from-qatar-a-retrospective-observational-study.ID.000341.php

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