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Niger: Sharp increase in malaria cases in recent months

11 Nov 2016

In Niger, after a significant decline of malaria cases over the last three years, there has been an alarming resurgence of the disease this summer. Médecins Sans Frontières teams have responded to the emergency by setting up additional health structures and recruiting temporary medical staff in the Tahoua, Zinder, Maradi and Diffa regions. Approximately 60,000 children have been treated. 

“The number of admissions this year has been exceptional” says Hamsatou Seydou Abdou, a Médecins Sans Frontières nurse at the inpatient therapeutic feeding centre (ITFC) at Madaoua hospital. In addition to the peak in malaria transmission there is also an annual increase in cases of acute malnutrition during the hunger gap, which coincides with the rainy season. “This year, we had more than 400 children hospitalised. You have to be constantly on alert, like guards!” Following the big 2012 peak, several measures were adopted by the health authorities, with the support of Médecins Sans Frontières, such as the distribution of mosquito nets treated with insecticide, the implementation of a chemoprevention programme and epidemiological monitoring of cases. 

“We’re also in the process of assessing the impact of the rains which, as well as arriving earlier than usual this year, have been very heavy, and this has encouraged the spread of malaria"

“The decrease in mortality at the ITFC, which has gone from 16 per cent in 2012 to 6.1 per cent in 2016, indicates a progress which can be attributed both to the prevention campaign and also to the continuous improvement in the quality of care,” explains Dr Carol, Médecins Sans Frontières medical coordinator in Niger. “There is no doubt that the prevention efforts must be continued, but it is too soon to explain the specific reasons for this resurgence. We can only put forward hypotheses and propose action plans accordingly.” Prophylaxis for seasonal malaria prevention consists of administering treatment to children aged 3 months to 5 years during the four peak months, when the incidence of the disease is at its highest. In the Magaria and Dungass districts, 109,390 children have benefited from this programme, representing 93.4 per cent of the population in this age group in the targeted areas. 

Correct treatment administration is also a critical factor for its success. This year, Epicentre, Médecins Sans Frontières’ centre for epidemiological research, conducted a study at six centres in Magaria district, in the Zinder region, to assess the protective efficacy of a seasonal malaria chemoprevention programme implemented in the field. “There are many factors that can cause an unexpected increase in transmission,” says Dr Carol. “We’re also in the process of assessing the impact of the rains which, as well as arriving earlier than usual this year, have been very heavy, and this has encouraged the spread of malaria. Neither can we rule out the possibility that a resistance to the pharmacological treatment used for the chemoprevention has developed. Médecins Sans Frontières is conducting together with Epicentre some studies on this topic.”

Further south, in the Maradi region, Médecins Sans Frontières teams have confirmed an influx of patients from Nigeria. “In September, up to 52 per cent of our patients came from Nigeria," explains Felix Kouassi, Médecins Sans Frontières’ head of mission in Niger. “People cross the border to come to the centres where Médecins Sans Frontières works and where the healthcare is free. But this poses a serious problem for the effectiveness of our prevention programme, which is only reaching 50 per cent of the target population. This situation is leading us to consider the need to carry out malaria prevention activities beyond Niger's border.”