AE  Vol.1 No.2 , October 2013
Post-intervention assessment of long-lasting insecticide nets (LLINs) distributed in the Kano metropolis, Kano State, Nigeria
Abstract: Kano state has distributed about 4,137,464 Long Lasting Insecticide Nets (LLINs) in 2009 being one of the main malariavector control strategy developed by the Nigeria Federal Ministry of Health(FMOH) in line with Roll Back Malaria. The objective of the study was to evaluate the effectiveness of LLINs in use, the knowledge, attitude and practicesof some net users inthe Kano metropolis. A Cone bioassay with laboratory reared Anopheles was performed. Knock down after 60 minutes and mortality after 24 hours followed with a 3 minutes exposure were evaluated. A total of 210 households were administered with a structured questionnaire on two hundred and five (205) respondents (97.6%) indicated knowledge about LLINs while five (5) respondents (2.4%) were not aware. Very high and consistent knockdown and mortality in all 5 replicates were found. Respondent still holds some reservation on the use of LLINs, and one hundred and five respondents (54.8%) believed it causes heat. The respondents replied that they did not rely mostly on LLINs, despite their beliefs in the efficacy of it rather. 41.4% of the people that participated in the research still resorted to use of aerosols and 26.2% use smoke screens to prevent mosquito bites. It can be concluded from the findings that respondents were aware of long lasting insecticide net and agreed on its effectiveness against the vector of malaria parasite and other insects, with some having reservations on the use of smoke screens and indoor residual insecticide sprays to prevent mosquitobites. Considering that the nets are expected tobe effective for three years or more years, it is reasonable to conclude that the nets were effective in preventing mosquito bites based on the knock-down and exposure mortality results obtained during this study.
Cite this paper: Zainab, G. and Zainab, T. (2013) Post-intervention assessment of long-lasting insecticide nets (LLINs) distributed in the Kano metropolis, Kano State, Nigeria. Advances in Entomology, 1, 38-41. doi: 10.4236/ae.2013.12008.

[1]   World Health Organization (2002) World health report: Reducing risks, promoting healthy life. World Health Organization, Geneva.

[2]   Hill, J., Lines, J. and Rowland, M. (2006) Insecticide-treated nets. Advances in Parasitology, 61, 77-128.

[3]   Himeidan, Y.E., Chen, H., Chandre, F., Donnelly, M.J. and Yan, G. (2007) Permethrin and DDT resistance in the malaria vector Anopheles arabiensis from eastern Sudan. American Journal of Tropical Medicine and Hygiene, 77, 1066-1068.

[4]   Lengeler, C. (2004) Insecticide-treated bed nets and curtains for preventing malaria. Cochrane Database System Revision.

[5]   World Health Organization (2007) Insecticide-treated mosquito nets: A WHO position statement.

[6]   Prapanthadara, L., Promtet, N., Koottathep, S., Somboon, P., Suwonkerd, W., Mc Carroll, L. and Hemingway, J. (2002): Mechanisms of DDT and permethrin resistance in Aedesaegypti from Chiang Mai, Thailand. Dengue Bulletin, 26, 185-189.

[7]   UNICEF Nigeria (2010) UNICEF says malaria is still number one killer of children underfive in Nigeria.

[8]   Hoshaw-Woodard, S. (2001) Description and comparison of the methods of cluster sampling and lot quality assurance sampling to assess immunization coverage. WHO— Department of Vaccines and Biological, Geneva.

[9]   Kroeger, A., Mancheno, M., Alarcin, J. and Pessek, L. (1995) Insecticide-impregnated bed nets for malaria control varying experiences from Ecuador, Colombia and Peru concerning acceptability and effectiveness. America Journal Tropical Medicine and Hygiene, 53, 313-323.

[10]   Legesse, Y., Tegegn, A., Belachew, T. and Tushune, K. (2007) Households willingness to pay for long-lasting insecticide treated nets in three urban communities of Assosa zone, western Ethiopia. Ethiopia Medicine Journal, 45, 353-362.

[11]   Dike, N., Onwujekwe, O., Ojukwu, J., Ikeme, A., Uzochukwu, B. and Shu, E. (2006) Influence of education and knowledge on perceptions and practices to control malaria in southeast Nigeria. Society of Science and Medicine, 63, 103-106.

[12]   Fürst, T., Raso, G., Acka, C.A., Tschannen, A.B., N’Goran, E.K. and Utzinger, J. (2009) Dynamics of socioeconomic risk factors for neglected tropical diseases and malaria in an armed conflict. PLoS Neglected Tropical Diseases, 3, 513.

[13]   Klein, R.E., Weller, S.L., Zeissig, R., Richards, F.O. and Reubush, T.K. (1995) Knowledge, beliefs and practices in relation to malaria transmission and vector control in Guatemala. America Journal Tropical Medicine and Hygiene, 52, 383-388.

[14]   Schellenberg, J.R., Abdulla, S. and Nathan, R. (2001) Effect of large-scale social marketing of insecticide-treated nets on child survival in rural Tanzania. Lancet, 357, 1241-1247.

[15]   Berman, J.D. (1997) The effectiveness of insecticide treated net in reducing cases of malaria infections. America Journal of Tropical Medicine and Hygiene, 52, 377-382.

[16]   World Health Organization (1998) Test procedures for insecticide resistance monitoring in malaria vectors, bioefficacy and persistence of insecticides on treated surfaces. WHO Informal Consultation, Geneva, 28-30 September 1998, 46p.

[17]   Hassan, S.El-D.H., Malik, E.M., Okoued, S.I. and Eltayeb, E.M. (2008) Retention and efficacy of long-lasting insecticide-treated nets distributed in eastern Sudan: A two-step community-based study. Malaria Journal, 7, 85.

[18]   Miller, J.E., Jones, C.O.H., Ndunguru, S., Curtis, V. and Lines, J. (1999) A new strategy for treating nets. Part 2: Users’ perceptions of efficacy and washing practices and their implications for insecticide dosage. Tropical Medicine and International Health, 4, 167-174.