Background From 2011 to 2014, an indoor residual spray (IRS) programme for malaria vectors control was implemented in six health districts in Senegal. The main objective of the present study was to evaluate the efficacy of bendiocarb (FICAM WP 80) sprayed on different wall surfaces and its impact on malaria vectors. The entomological monitoring activities were carried out monthly in five treated sentinel villages and one control untreated village in each district. Methods The residual efficacy of bendiocarb applied at a dosage of 0.4 g/sq m was monitored for a period up to 9 months post-IRS using WHO cone bioassay method. This assay consisted to expose 2–5 days old unfed susceptible Anopheles coluzzii females to sprayed walls for a period of 30 min. The mortality rates after 24 h post-exposure were estimated and compared between the different types of walls sprayed in each sentinel village. Results The results showed that the residual efficacy varied between the different sprayed walls, from one sentinel village to another and between the different campaigns. The FICAM had a residual efficacy of 3–6 months post-IRS on mud and cement wall surfaces. In some cases, the observed mortality rates were much higher than those reported elsewhere particularly during the first campaign in all the six districts. Conclusions The FICAM was found to be effective with a residual efficacy varying from 3 to 6 months. If the quality of the IRS application is excluded as a possible explanation of the short efficacy duration, the results suggest at least two rounds of treatments in order to cover the rainy season that lasts 5 to 6 months in the area. Such treatments could be carried out before the intensification of the rains in July and August in order to better cover the transmission period that occurs between late August and October in the area.
Oral diseases costs are among the most expensive health care benefits. In Senegal, households contribute up to 37.6% of the national health spending through direct payments. The aim of this work was to study the role of health insurance in the coverage of oral health care in Senegal. The study was based on health insurance agents and policyholders. The study reveals that oral health care coverage through health insurance still does not meet requirements for treatment of oral infections. In financial terms, oral health care costs health insurance too much. As a result, carriers cover them partially. On top of that, the majority of the population’s lack of knowledge about mutual, because they have a little background on oral health care, the latter weighs heavily on health insurance leading to the use of self-medication, traditional medicine and handicraft prosthetists. The analysis reveals an unequal access to oral health care through the health insurance system. To bring under control the expenditure for oral health care, carriers and dental surgeons must work together to raise the populations’ awareness on community solidarity.
The results suggest that pharmacovigilance training and education sessions for dentists are needed to improve their knowledge of pharmacovigilance and to foster positive attitudes toward adverse effects.
The unequal access to healthcare in general and oral healthcare, in particular, is a true public health concern. Thus, it is important to assess the oral healthcare renunciation and socioeconomic determinants to take appropriate measures. A cross-sectional, descriptive population-based study of 300 households was carried out between April 28, 2016, and May 28, 2016, according to WHO's guidelines (Protocol 1997), in Senegal adapted form. Results showed that 18.23% of householders report that their household members have foregone oral healthcare. Among those who renounced care, 51.5% did so for care costs (24.2%) or remoteness of health facilities (27.3%) reasons. Therefore, dental treatment renunciation was independently associated to income level, age, sex, marital status, and types of oral healthcare coverage. This study's analysis shows that oral healthcare renunciation depends primarily on the financial aspect and the remoteness of health structures. Still, there are other important socio-anthropological parameters that should be investigated.
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