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Yellow fever | Collections | MSF Science Portal

Collection Content

Journal Article
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Commentary

Yellow fever resurgence: An avoidable crisis?

Lindsey NP, Horton J, Barrett ADT, Demanou M, Monath TP,  et al.
2022-11-02 • NPJ Vaccines
2022-11-02 • NPJ Vaccines
Journal Article
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Research

Missed opportunities for vaccination (MOV) in children up to 5 years old in 19 Médecins Sans Frontières-supported health facilities: a cross-sectional survey in six low-resource countries

Borras-Bermejo B, Panunzi I, Bachy C, Gil-Cuesta J
2022-07-26 • BMJ Open
2022-07-26 • BMJ Open
OBJECTIVE
To describe missed opportunities for vaccination (MOV) among children visiting Médecins Sans Frontières (MSF)-supported facilities, their related factors, and to identify r...
Conference Material
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Video

Immunogenicity of fractional dose yellow fever vaccine in children and HIV+ adults

Namulwana ML
2022-06-21 • Epicentre Scientific Day Paris 2022
2022-06-21 • Epicentre Scientific Day Paris 2022
Journal Article
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Research

Metagenomic sequencing characterizes a wide diversity of viruses in field mosquito samples in Nigeria

Oguzie JU, Nwangwu UC, Oluniyi PE, Olumade TJ, George UE,  et al.
2022-05-10 • Scientific Reports
2022-05-10 • Scientific Reports
Mosquito vectors are a tremendous public health threat. One in six diseases worldwide is vector-borne transmitted mainly by mosquitoes. In the last couple of years, there have been activ...
Journal Article
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Pre-Print

The burden of vaccine hesitancy for routine immunization in Yaounde-Cameroon: restrictive sampling technique

Yakum MN, Funwie AD, Ajong AB, Tsafack M, Ebaze LE,  et al.
2022-02-21 • medRxiv
2022-02-21 • medRxiv
Immunization is the most cost-effective health intervention in the world yet, vaccination uptake is still low with less than 50% of children aged 12-23 months fully vaccinated Cameroon. ...
Conference Material
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Video

Fractional dosing of vaccines: when less could mean more

Juan A
2021-06-10 • Epicentre Scientific Day Paris 2021
2021-06-10 • Epicentre Scientific Day Paris 2021
Journal Article
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Research

Immunogenicity and safety of fractional doses of yellow fever vaccines: a randomised, double-blind, non-inferiority trial

Juan-Giner A, Kimathi D, Grantz KH, Hamaluba M, Kazooba P,  et al.
2021-01-09 • Lancet
2021-01-09 • Lancet
BACKGROUND
Stocks of yellow fever vaccine are insufficient to cover exceptional demands for outbreak response. Fractional dosing has shown efficacy, but evidence is limited to the 17...
Journal Article
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Research

Vaccination coverage survey versus administrative data in the assessment of mass yellow fever immunization in internally displaced persons—Liberia, 2004

Huhn GD, Brown J, Perea W, Berthe A, Otero H,  et al.
2006-02-06 • Vaccine
2006-02-06 • Vaccine
Yellow fever (YF) is a mosquito-borne vaccine-preventable disease with high mortality. In West Africa, low population immunity increases the risk of epidemic transmission. A cluster surv...
Journal Article
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Letter

Shortage of vaccines during a yellow fever outbreak in Guinea

Nathan N, Barry M, Van Herp M, Zeller H
2001-12-01 • Lancet
2001-12-01 • Lancet
A yellow fever epidemic erupted in Guinea in September, 2000. From Sept 4, 2000, to Jan 7, 2001, 688 instances of the disease and 225 deaths were reported. The diagnosis was laboratory c...

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International Safe Abortion Day 2022
International Safe Abortion Day 2022
Unsafe abortion is a leading cause of maternal death, and the only one that is completely preventable. Yet over 30 million unsafe abortions occur each year, leading to at least 28,000 deaths and millions of serious complications—nearly all in low- and middle-income countries. MSF teams see these tragic consequences first-hand, treating thousands of patients every year with severe, potentially life-threatening effects from unsafe abortion. So in 2016 we launched a program to systematically implement safe abortion care (SAC), starting with ten pilot sites and then applying the lessons learned to scale up at projects across the globe. This Collection presents highlights of these efforts. Since our first publication on the need to provide SAC as a way of reducing maternal death and injury, several studies assessed the role of unsafe abortion in driving this suffering in specific contexts. Others described internal obstacles to providing SAC, operational solutions developed, and outcomes achieved. And we advocated for shifting towards community-led and self-managed SAC, particularly given new obstacles that emerged during the Covid-19 pandemic.
Mini-Lab—MSF's simplified bacteriology laboratory for low-resource settings
Mini-Lab—MSF's simplified bacteriology laboratory for low-res...
Resistance to antibiotics is a growing public health crisis, especially in countries with fragile health systems and in regions at war. One key limitation in most of these settings is a lack of clinical bacteriology laboratory capacity, which leaves medical providers without ways to accurately diagnose patient infections and to tailor antibiotic treatment accordingly. To help fill this critical gap, MSF and partners have developed the Mini-Lab—a small-scale, standalone lab that is easy to transport, set up and operate by staff after only a short training. Its six modules are stocked with everything needed to diagnose common bloodstream and urinary tract infections and to perform antibiotic sensitivity testing using methods adapted to extremely hot climates and remote settings. With Mini-Lab now being rolled out to selected MSF projects, here we highlight the background to its development and some of the research behind the bacteriological tests it incorporates.
World Hepatitis Day 2022
World Hepatitis Day 2022
Each year hundreds of millions of people suffer from chronic or acute liver disease caused by hepatitis viruses, and over one million die. To mark World Hepatitis Day (July 28th) we bring you a selection of MSF research exploring how to better prevent, identify and treat hepatitis infection in lower-income countries and emergency contexts where the burden is heaviest. For example, in a South Sudanese camp for displaced people—a type of setting where poor sanitation and water quality regularly lead to hepatitis E outbreaks—MSF and the Ministry of Health (MoH) are conducting the world’s first reactive vaccination campaign against this disease, and evaluating the process and outcomes. In Cambodia, MSF and MoH collaborators found that a simplified community-based model of care for hepatitis C was safe and highly effective in diagnosing patients and in curing them with new antiviral drugs. It was also cost-effective, according to studies in several countries and patient populations. And these new drugs were safe and effective even in patients also being treated for drug-resistant tuberculosis.
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Yellow fever

Yellow fever