Sahr M. Gevao
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View article: Evaluating the real-world scale-up of the CRADLE Vital Signs Alert intervention into routine maternity care in Sierra Leone (CRADLE-5): a stepped-wedge, type 2 hybrid implementation–effectiveness, cluster-randomised controlled trial
Evaluating the real-world scale-up of the CRADLE Vital Signs Alert intervention into routine maternity care in Sierra Leone (CRADLE-5): a stepped-wedge, type 2 hybrid implementation–effectiveness, cluster-randomised controlled trial Open
View article: The Origins and Future of Sentinel: An Early-Warning System for Pandemic Preemption and Response
The Origins and Future of Sentinel: An Early-Warning System for Pandemic Preemption and Response Open
While investigating a signal of adaptive evolution in humans at the gene LARGE, we encountered an intriguing finding by Dr. Stefan Kunz that the gene plays a critical role in Lassa virus binding and entry. This led us to pursue field work …
View article: Ebola virus antibody decay–stimulation in a high proportion of survivors
Ebola virus antibody decay–stimulation in a high proportion of survivors Open
View article: Seroprevalence of hepatitis B and hepatitis C among blood donors in Sierra Leone: A multi-year retrospective study
Seroprevalence of hepatitis B and hepatitis C among blood donors in Sierra Leone: A multi-year retrospective study Open
Our findings stress the presence of viral hepatitis infection throughout the country and the need to invest in safe blood services, vaccination and treatment of viral hepatitis at the national level.
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View article: Virus genomes reveal factors that spread and sustained the Ebola epidemic
Virus genomes reveal factors that spread and sustained the Ebola epidemic Open
View article: Evaluation of convalescent whole blood for treating Ebola Virus Disease in Freetown, Sierra Leone
Evaluation of convalescent whole blood for treating Ebola Virus Disease in Freetown, Sierra Leone Open
View article: Virus genomes reveal the factors that spread and sustained the West African Ebola epidemic
Virus genomes reveal the factors that spread and sustained the West African Ebola epidemic Open
Summary The 2013-2016 epidemic of Ebola virus disease in West Africa was of unprecedented magnitude, duration and impact. Extensive collaborative sequencing projects have produced a large collection of over 1600 Ebola virus genomes, repres…
View article: Analytical Validation of the ReEBOV Antigen Rapid Test for Point-of-Care Diagnosis of Ebola Virus Infection
Analytical Validation of the ReEBOV Antigen Rapid Test for Point-of-Care Diagnosis of Ebola Virus Infection Open
The analytical validation presented here contributed to the ReEBOV RDT being the first antigen-based assay to receive FDA and World Health Organization emergency use authorization for this EVD outbreak, in February 2015.
View article: Field Validation of the ReEBOV Antigen Rapid Test for Point-of-Care Diagnosis of Ebola Virus Infection
Field Validation of the ReEBOV Antigen Rapid Test for Point-of-Care Diagnosis of Ebola Virus Infection Open
The ReEBOV RDT demonstrated the potential to provide clinically effective rapid and accurate point-of-care test results and, thus, to be a powerful tool for increasing triage efficiency.
View article: An Outbreak of Ebola Virus Disease in the Lassa Fever Zone
An Outbreak of Ebola Virus Disease in the Lassa Fever Zone Open
Responding to the challenges of confronting 2 hemorrhagic fever viruses will require continued investments in the development of countermeasures (vaccines, therapeutic agents, and diagnostic assays), infrastructure, and human resources.
View article: Most neutralizing human monoclonal antibodies target novel epitopes requiring both Lassa virus glycoprotein subunits
Most neutralizing human monoclonal antibodies target novel epitopes requiring both Lassa virus glycoprotein subunits Open
Lassa fever is a severe multisystem disease that often has haemorrhagic manifestations. The epitopes of the Lassa virus (LASV) surface glycoproteins recognized by naturally infected human hosts have not been identified or characterized. He…
View article: Managing dangerous pathogens: challenges in the wake of the recent West African Ebola outbreak
Managing dangerous pathogens: challenges in the wake of the recent West African Ebola outbreak Open
In the aftermath of the 2014–2016 West Africa Ebola outbreak, there are a multitude of Ebola samples that are unaccounted for as well as virus samples stored in facilities that do not have an appropriate level of biosecurity and biosafety,…
View article: African civil society initiatives to drive a biobanking, biosecurity and infrastructure development agenda in the wake of the West African Ebola outbreak
African civil society initiatives to drive a biobanking, biosecurity and infrastructure development agenda in the wake of the West African Ebola outbreak Open
This paper describes the formation of a civil society consortium, spurred to action by frustration over the Ebola crises, to facilitate the development of infrastructure and frameworks including policy development to support a harmonized, …
View article: Rapid outbreak sequencing of Ebola virus in Sierra Leone identifies transmission chains linked to sporadic cases
Rapid outbreak sequencing of Ebola virus in Sierra Leone identifies transmission chains linked to sporadic cases Open
To end the largest known outbreak of Ebola virus disease (EVD) in West Africa and to prevent new transmissions, rapid epidemiological tracing of cases and contacts was required. The ability to quickly identify unknown sources and chains of…
View article: Ebola Virus Epidemiology, Transmission, and Evolution during Seven Months in Sierra Leone
Ebola Virus Epidemiology, Transmission, and Evolution during Seven Months in Sierra Leone Open
View article: Clinical Illness and Outcomes in Patients with Ebola in Sierra Leone
Clinical Illness and Outcomes in Patients with Ebola in Sierra Leone Open
This data comprises a total of 213 cases evaluated for Ebola virus infection at the Kenema Government Hospital in Sierra Leone between May 25 and June 18, 2014. Outcome data was available for 87 of 106 EBOV positive cases. Metabolic panels…