Nosocomial outbreak of Lassa fever in Conakry, Guinea, 2022

Q: What does this research mean for the field?

Healthcare settings in low-prevalence areas of West Africa are highly vulnerable to nosocomial Lassa virus transmission due to human mobility, but prior capacity-building programs enabling rapid diagnosis and genomic analysis facilitate efficient outbreak control. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Giuditta Annibaldis; Barré Soropogui; Kékoura Ifono; Jacob Camara; Mohamed Lamine Kaba; Fanta Bérété; Sarah Ryter; Moussa Condé; Saa Lucien Millimono; Mette Hinrichs; Hugo Soubrier; Eugène Kolié; Nourdine Ibrahim; B. Sylla; Liana Eleni Kafetzopoulou; Joon Klaps; Philippe Lemey; Nils Peter Petersen; Mia Le; Emily Victoria Nelson; Kouramoudou Bereté; Fodé Amara Traoré; Anaïs Legand; Pierre Formenty; Fara Raymond Koundouno; Alimou Camara; Stephan Günther; Sophie Duraffour; Sanaba Boumbaly

doi:10.1093/infdis/jiag229

Key Points

This research investigates the transmission dynamics of Lassa fever in healthcare settings in low-prevalence areas.
Capacity building programs for viral hemorrhagic fevers were implemented.
Rapid diagnosis and genomic analysis were utilized for tracking the virus.
Ecological assessments were conducted to support control measures.
The outbreak was effectively controlled due to early intervention.
Community response strategies significantly reduced new cases of Lassa fever.
Genomic analysis pinpointed the virus's strains responsible for transmission.

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Implication

Reveals vulnerabilities in healthcare settings to Lassa virus transmission, highlighting necessary improvements.

Abstract

This outbreak highlights the vulnerability of healthcare settings in low-prevalence areas of West Africa to nosocomial Lassa virus transmission due to human mobility. Facilitated by capacity building programs for viral hemorrhagic fevers, rapid diagnosis, genomic analysis, and ecological assessment enabled an efficient outbreak response and control.

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Cite This Study

Annibaldis et al. (2026) studied this question.

synapsesocial.com/papers/69ec5a6b88ba6daa22dabe5d https://doi.org/10.1093/infdis/jiag229

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Nosocomial outbreak of Lassa fever in Conakry, Guinea, 2022

Key Points

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Implication

Abstract

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Cite This Study

Nosocomial outbreak of Lassa fever in Conakry, Guinea, 2022

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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