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Pi-Bansa, Sellase, Osei, Joseph H. N., Kartey-Attipoe, Worlasi D., Elhassan, Elizabeth, Agyemang, David, Otoo, Sampson, Dadzie, Samuel K., Appawu, Maxwell A., Wilson, Michael D., Koudou, Benjamin, de Souza, Dziedzom K., Utzinger, Jürg and Boakye, Daniel A. (2019) 'Assessing the Presence of Wuchereria bancrofti Infections in Vectors Using Xenomonitoring in Lymphatic Filariasis Endemic Districts in Ghana'. Tropical Medicine and Infectious Disease, Vol 4, Issue 1, e49.
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Abstract
Mass drug administration (MDA) is the current mainstay to interrupt the transmission of lymphatic filariasis. To monitor whether MDA is effective and transmission of lymphatic filariasis indeed has been interrupted, rigorous surveillance is required. Assessment of transmission by programme managers is usually done via serology. New research suggests that xenomonitoring holds promise for determining the success of lymphatic filariasis interventions. The objective of this study was to assess Wuchereria bancrofti infection in mosquitoes as a post-MDA surveillance tool using xenomonitoring. The study was carried out in four districts of Ghana; Ahanta West, Mpohor, Kassena Nankana West and Bongo. A suite of mosquito sampling methods was employed, including human landing collections, pyrethrum spray catches and window exit traps. Infection of W. bancrofti in mosquitoes was determined using dissection, conventional and real-time polymerase chain reaction and loop mediated isothermal amplification assays. Aedes, Anopheles coustani, An. gambiae, An. pharoensis, Culex and Mansonia mosquitoes were sampled in each of the four study districts. The dissected mosquitoes were positive for filarial infection using molecular assays. Dissected An. melas mosquitoes from Ahanta West district were the only species found positive for filarial parasites. We conclude that whilst samples extracted with Trizol reagent did not show any positives, molecular methods should still be considered for monitoring and surveillance of lymphatic filariasis transmission.
| Item Type: | Article |
|---|---|
| Additional Information: | This article belongs to the Special Issue Spatial Epidemiology of Neglected Tropical Diseases (NTDs) |
| Subjects: | WA Public Health > WA 30 Socioeconomic factors in public health (General) WA Public Health > Health Problems of Special Population Groups > WA 395 Health in developing countries WC Communicable Diseases > Tropical and Parasitic Diseases > WC 800 Helminthiasis WC Communicable Diseases > Tropical and Parasitic Diseases > WC 880 Filariasis and related conditions (General) |
| Faculty: Department: | Biological Sciences > Department of Tropical Disease Biology |
| Digital Object Identifer (DOI): | https://doi.org/10.3390/tropicalmed4010049 |
| SWORD Depositor: | JISC Pubrouter |
| Depositing User: | Stacy Murtagh |
| Date Deposited: | 19 Mar 2019 09:50 |
| Last Modified: | 23 Aug 2019 13:52 |
| URI: | https://archive.lstmed.ac.uk/id/eprint/10426 |
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