Incidence and Predictors of Imported Cases of COVID-19 in Burkina Faso

Mikaila Kaboré, Kongnimissom Apoline Sondo, Désiré Lucien Dahourou, Yacouba Cissoko, Issa Konaté, Abdoulaye Zaré, Brice Bicaba, Boukary Ouedraogo, Hermann Barro, Eric Arnaud Diendéré, Isabella Asamoah, Sandrine Nadège Damoue, Baperman Abdel Aziz Siri, Ismael Diallo, Peter Puplampu, Armel G. Poda, Yacouba Toloba, Sounkalo Dao, Martial Ouédraogo, Seni Kouanda

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Background: To limit the spread of COVID-19 due to imported cases, Burkina Faso has set up quarantine measures for arriving passengers. We aimed to determine the incidence and predictors of imported cases of COVID-19 in Burkina Faso. Methods: A prospective cohort study was performed using data from passengers arriving at the airport from April 9 to August 31, 2020. The data was extracted from the District Health Information Software 2 (DHIS2) platform. Cox regression was used to identify predictors of imported cases of COVID-19. Results: Among 6,332 travelers who arrived in the study period, 173 imported cases (2.7%) were recorded. The incidence rate was 1.9 cases per 1,000 traveler-days (95%CI: 1.6–2.2 per 1,000). Passengers arriving in April (Adjusted hazard ratio [aHR] = 3.56; 95%CI: 1.62–7.81) and May (aHR = 1.92; 95% CI: 1.18–3.12) were more at risk of being tested positive compared to those arriving in August, as well as, passengers presenting with one symptom (aHR = 3.71; 95% CI: 1.63–8.43) and at least two symptoms (aHR = 10.82; 95% CI: 5.24–22,30) compared to asymptomatic travelers. Conclusions: The incidence of imported cases was relatively low in Burkina Faso between April and August 2020. The period of travel and the presence of symptoms at arrival predicted the risk of being tested positive to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). This is essential in the context of the high circulation of virus variants worldwide and the low local capacity to perform genotyping tests to strengthen the surveillance and screening capacities at the points of entry into the country.

Original languageEnglish
Article number743248
JournalFrontiers in Public Health
Volume10
DOIs
Publication statusPublished - 17 Feb 2022
Externally publishedYes

Keywords

  • Burkina Faso
  • COVID-19
  • imported cases
  • incidence
  • predictors

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