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SARS-CoV-2 detection among international air travellers to Ghana during mandatory quarantine


Bright Adu
Joseph K. H. Bonney
John K. Odoom
Evelyn Y. A. Bonney
Evangeline Obodai
Ivy A. Asante
James Aboagye
Mildred A. Adusei-Poku
Lawrence Lartey
Ernest K. Asiedu
William K. Ampofo
George B. Kyei

Abstract

Objectives: To determine the prevalence of SARS-CoV-2 detection among international travellers to Ghana during mandatory quarantine.
Design: A retrospective cross-sectional study.
Setting: Air travellers to Ghana on 21st and 22nd March 2020.
Participants: On 21st and 22nd March 2020, a total of 1,030 returning international travellers were mandatorily quarantined in 15 different hotels in Accra and tested for SARS-CoV-2. All of these persons were included in the study.
Main outcome measure: Positivity for SARS-CoV-2 by polymerase chain reaction.
Results: The initial testing at the beginning of quarantine found 79 (7.7%) individuals to be positive for SARS-CoV-2. In the exit screening after 12 to 13 days of quarantine, it was discovered that 26 of those who tested negative for SARS-CoV-2 in the initial screening subsequently tested positive.
Conclusions: Ghana likely averted an early community spread of COVID-19 through the proactive approach to quarantine international travellers during the early phase of the pandemic.


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print ISSN: 0016-9560