Assessment of Bancroftian filariasis status seven years after mass medicine administration in kalgo local government area of Kebbi State, Nigeria
Keywords:
CFA, microfilaria, lymphoedema, hydrocele, kalgo LGAAbstract
Background: Kalgo Local Government Area of Kebbi State was declared eligible for Mass Medicine Administration (MMA) with Ivermectin and Albendazole in the year 2010 after baseline mapping. MMA started in the LGA in 2011. This study is aimed at evaluating its current status to see if the MMA was successful.
Methodology/Principal findings: A total of 401 volunteers were tested using onsite filariasis 1gG/1gM Combo Rapid test kit and night blood samples in six rural villages. Clinical manifestations and entomological studies were also conducted. Only one participant, 1 (0.25%) tested positive for rapid (CFA) test and none, 0 (0.00%) for microfilaria of W. bancrofti. The positive participant is in the age range 30-39, a farmer, married, male and hails from Bangana village. Statistical analysis reveals no significant association between infection rate and the above variables. Overall prevalence of clinical manifestations was 3.24% with lymphedema, hydrocele, fever/chills constituting 0.49%, 1.25% and 1.49% respectively of the total population. The age group 70+ had the highest (33.33%) prevalence of clinical manifestations, followed by 60-69 (27.27%). 177 female mosquitos (Anopleles & Culex sp) were dissected and no microfilaria of W. bancrofti was observed.
Conclusion/significance: it was concluded that infection level has been reduced to a point where community wide drug treatment can be discontinued, continued surveillance and maximizing bed-net coverage are still required to guard against importation of the infection from surrounding endemic LGA’s and States until Nigeria achieves elimination Nationwide.
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