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...
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...
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...
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...
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...
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 ...
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...
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...
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...
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...
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...