logo
Science Portal
Copyright © Médecins Sans Frontières
v2.1.5209.produseast1
About MSF Science Portal
About
Contact Us
Frequently Asked Questions (FAQs)
Privacy Policy
Terms of Use
Copyright © Médecins Sans Frontières
v2.1.5209.produseast1
Showing 1 - 11 of 11 Items
Showing 1 - 11 of 11 Items
Sort By: Relevance
  • Newest to oldest
  • Oldest to newest
  • Relevance
Journal Article
|
Short Report

Explaining seasonal fluctuations of measles in Niger using nighttime lights imagery

Bharti N, Tatem AJ, Ferrari MJ, Grais RF, Djibo A,  et al.
2011-12-09 • Science
2011-12-09 • Science
Measles epidemics in West Africa cause a significant proportion of vaccine-preventable childhood mortality. Epidemics are strongly seasonal, but the drivers of these fluctuations are poo...
Journal Article
|
Research

Spatial dynamics of meningococcal meningitis in Niger: observed patterns in comparison with measles

Bharti N, Broutin H, Grais RF, Ferrari MJ, Djibo A,  et al.
2011-10-05 • Epidemiology and Infection
2011-10-05 • Epidemiology and Infection
Throughout the African meningitis belt, meningococcal meningitis outbreaks occur only during the dry season. Measles in Niger exhibits similar seasonality, where increased population den...
Journal Article
|
Research

Rural-urban gradient in seasonal forcing of measles transmission in Niger

Ferrari MJ, Djibo A, Grais RF, Bharti N, Grenfell BT,  et al.
2010-09-22 • Proceedings. Biological sciences / The Royal Society
2010-09-22 • Proceedings. Biological sciences / The Royal Society
Seasonally driven cycles of incidence have been consistently observed for a range of directly transmitted pathogens. Though frequently observed, the mechanism of seasonality for directly...
Journal Article
|
Research

Unreported cases in the 2014-2016 Ebola epidemic: Spatiotemporal variation, and implications for estimating transmission

Dalziel BD, Lau MSY, Tiffany A, McClelland A, Zelner J,  et al.
2018-01-22 • PLOS Neglected Tropical Diseases
2018-01-22 • PLOS Neglected Tropical Diseases
In the recent 2014-2016 Ebola epidemic in West Africa, non-hospitalized cases were an important component of the chain of transmission. However, non-hospitalized cases are at increased r...
Journal Article
|
Research

Estimating transmission intensity for a measles epidemic in Niamey, Niger: lessons for intervention

Grais RF, Ferrari MJ, Dubray C, Bjørnstad ON, Grenfell BT,  et al.
2006-09-01 • Transactions of the Royal Society of Tropical Medicine and Hygiene
2006-09-01 • Transactions of the Royal Society of Tropical Medicine and Hygiene
The objective of this study is to estimate the effective reproductive ratio for the 2003-2004 measles epidemic in Niamey, Niger. Using the results of a retrospective and prospective stud...
Journal Article
|
Research

Time is of the essence: exploring a measles outbreak response vaccination in Niamey, Niger

Grais RF, Conlan AJK, Ferrari MJ, Djibo A, Le Menach A,  et al.
2008-01-06 • Journal of the Royal Society Interface
2008-01-06 • Journal of the Royal Society Interface
The current World Health Organization recommendations for response during measles epidemics focus on case management rather than outbreak response vaccination (ORV) campaigns, which may ...
Journal Article
|
Research

Measles hotspots and epidemiological connectivity

Bharti N, Djibo A, Tatem AJ, McCabe CA, Bjørnstad ON,  et al.
2010-09-01 • Epidemiology and Infection
2010-09-01 • Epidemiology and Infection
Though largely controlled in developed countries, measles remains a major global public health issue. Regional and local transmission patterns are rooted in human mixing behaviour across...
Journal Article
|
Research

The dynamics of measles in sub-Saharan Africa

Ferrari MJ, Grais RF, Bharti N, Conlan AJK, Bjørnstad ON,  et al.
2008-02-07 • Nature
2008-02-07 • Nature
Although vaccination has almost eliminated measles in parts of the world, the disease remains a major killer in some high birth rate countries of the Sahel. On the basis of measles dynam...
Journal Article
|
Research

Spatial and Temporal Dynamics of Superspreading Events in the 2014-2015 West Africa Ebola Epidemic

Lau MSY, Dalziel BD, Funk S, McClelland A, Tiffany A,  et al.
2017-02-13 • Proceedings of the National Academy of Sciences
2017-02-13 • Proceedings of the National Academy of Sciences
The unprecedented scale of the Ebola outbreak in Western Africa (2014-2015) has prompted an explosion of efforts to understand the transmission dynamics of the virus and to analyze the p...
Journal Article
|
Research

Modelling the first dose of measles vaccination: the role of maternal immunity, demographic factors, and delivery systems

Metcalf CJ, Klepac P, Ferrari MJ, Grais RF, Djibo A,  et al.
2010-06-01 • Epidemiology and Infection
2010-06-01 • Epidemiology and Infection
Measles vaccine efficacy is higher at 12 months than 9 months because of maternal immunity, but delaying vaccination exposes the children most vulnerable to measles mortality to infectio...
Journal Article
|
Research

Urban Cholera transmission hotspots and their implications for Reactive Vaccination: evidence from Bissau city, Guinea Bissau

Azman AS, Luquero FJ, Rodrigues A, Palma PP, Grais RF,  et al.
2012-11-08 • PLOS Neglected Tropical Diseases
2012-11-08 • PLOS Neglected Tropical Diseases
Use of cholera vaccines in response to epidemics (reactive vaccination) may provide an effective supplement to traditional control measures. In Haiti, reactive vaccination was considered...