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Strengthening laboratories in response to outbreaks in humanitarian emergencies and conflict settings: Results, challenges and lessons from expanding PCR diagnostic capacities for COVID-19 testing in Yemen.
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- Author(s): Bashir IM;Bashir IM; Al-Waleedi AA; Al-Waleedi AA; Al-Shaibani SM; Al-Shaibani SM; Rajamanar M; Rajamanar M; Al-Akbari S; Al-Akbari S; Al-Harazi A; Al-Harazi A; Salim Aliwah L; Salim Aliwah L; Ahmed Salem N; Ahmed Salem N; Al-Ademi D; Al-Ademi D; Barakat A; Barakat A; Sarkis N; Sarkis N; Abubakar A; Abubakar A; Senga M; Senga M; Musani A; Musani A; Abdel Moneim ARI; Abdel Moneim ARI; Mahmoud N; Mahmoud N
- Source:
PloS one [PLoS One] 2024 Feb 23; Vol. 19 (2), pp. e0298603. Date of Electronic Publication: 2024 Feb 23 (Print Publication: 2024).- Publication Type:
Journal Article- Language:
English - Source:
- Additional Information
- Source: Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE
- Publication Information: Original Publication: San Francisco, CA : Public Library of Science
- Subject Terms:
- Abstract: Background: When the COVID-19 pandemic was declared, Yemen, a country facing years of conflict had only one laboratory with PCR testing capacity. In this article, we describe the outcome of the implementation of molecular based diagnostics platform in Yemen and highlight the key milestones the country went through to increase access to testing for its populations residing in a geographically vast and politically divided country.
Methods: A retrospective assessment of COVID-19 laboratory response activities was done detailing the needs assessment process, timelines, geographical coverage, and outcomes of the activities. Laboratory data was analyzed to construct the geographical locations of COVID-19 testing laboratories and the numbers of tests performed in each facility to highlight the demands of testing for travelers. Finally, we discuss the impact these activities had in enabling the movement of people across international borders for economic gains and in delivery of critical humanitarian aid.
Outcome: PCR testing capacities in Yemen significantly improved, from one laboratory in Sanaa in April 2020 to 18 facilities across the country by June 2022. In addition, the number of functional Real-Time PCR thermocyclers increased from one to 32, the PCR tests output per day improved from 192 to 6144 tests per day. Results from analysis of laboratory data showed there were four peaks of COVID-19 in Yemen as October 2022. The majority of laboratory tests were performed for travelers than for medical or public health reasons. Demand for laboratory testing in Yemen was generally low and waned over time as the perceived risk of COVID-19 declined, in parallel with rollout of the COVID-19 vaccines.
Discussion/conclusion: The successful expansion of laboratory testing capacity was instrumental in the control and management of COVID-19 cases and critical in the implementation of public response strategies, including restrictions on gathering. Laboratory testing also facilitated the movement of humanitarian agencies and delivery of aid and enabled hundreds of thousands of Yemeni nationals to travel internationally. By virtue of these outcomes, the impact of laboratory strengthening activities was thus felt in the health sector and beyond.
Competing Interests: The authors have declared that no competing interests exist.
(Copyright: © 2024 Bashir et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.) - References: Lancet Public Health. 2020 Jun;5(6):e311. (PMID: 32334648)
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Biosens Bioelectron. 2021 Jan 15;172:112752. (PMID: 33126180) - Grant Information: 001 International WHO_ World Health Organization
- Accession Number: 0 (COVID-19 Vaccines)
- Publication Date: Date Created: 20240223 Date Completed: 20240226 Latest Revision: 20240420
- Publication Date: 20240420
- Accession Number: PMC10889613
- Accession Number: 10.1371/journal.pone.0298603
- Accession Number: 38394178
- Source:
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