Olsen A, van Lieshout L, Marti H, Polderman T, Polman K, Steinmann P, Stothard R, Thybo S, Verweij JJ, Magnussen P, 2009. Strongyloidiasis: the most neglected of the neglected tropical diseases? Trans R Soc Trop Med Hyg 103: 967–972.
Bisoffi Z, Buonfrate D, Montresor A, Requena-Méndez A, Muñoz J, Krolewiecki AJ, Gotuzzo E, Mena MA, Chiodini PL, Anselmi M, Moreira J, Albonico M, 2013. Strongyloides stercoralis: a plea for action. PLoS Negl Trop Dis 7: e2214.
Siddiqui AA, Berk SL, 2001. Diagnosis of Strongyloides stercoralis infection. Clin Infect Dis Off Publ Infect Dis Soc Am 33: 1040–1047.
Krolewiecki AJ, Ramanathan R, Fink V, McAuliffe I, Cajal SP, Won K, Juarez M, Di Paolo A, Tapia L, Acosta N, Lee R, Lammie P, Abraham D, Nutman TB, 2010. Improved diagnosis of Strongyloides stercoralis using recombinant antigen-based serologies in a community-wide study in northern Argentina. Clin Vaccine Immunol 17: 1624–1630.
Keiser J, Utzinger J, 2010. The drugs we have and the drugs we need against major helminth infections. Adv Parasitol 73: 197–230.
Henriquez-Camacho C, Gotuzzo E, Echevarria J, White AC, Terashima A, Samalvides F, Pérez-Molina JA, Plana MN, 2016. Ivermectin versus albendazole or thiabendazole for Strongyloides stercoralis infection. Cochrane Database Syst Rev CD007745.
World Health Organization. Provisional Strategy for Interrupting Lymphatic Filariasis Transmission in Loiasis-Endemic Countries: Report of the Meeting on Lymphatic Filariasis, Malaria and Integrated Vector Management. Geneva, Switzerland: WHO. Available at: http://www.who.int/lymphatic_filariasis/resources/who_htm_ntd_pct_2012.6/en/. Accessed March 1, 2017.
Knopp S, Mohammed KA, Rollinson D, Stothard JR, Khamis IS, Utzinger J, Marti H, 2009. Changing patterns of soil-transmitted helminthiases in Zanzibar in the context of national helminth control programs. Am J Trop Med Hyg 81: 1071–1078.
Anselmi M, Buonfrate D, Guevara Espinoza A, Prandi R, Marquez M, Gobbo M, Montresor A, Albonico M, Racines Orbe M, Martin Moreira J, Bisoffi Z, 2015. Mass administration of ivermectin for the elimination of onchocerciasis significantly reduced and maintained low the prevalence of Strongyloides stercoralis in Esmeraldas, Ecuador. PLoS Negl Trop Dis 9: e0004150.
Albonico M, Stoltzfus RJ, Savioli L, Tielsch JM, Chwaya HM, Ercole E, Cancrini G, 1998. Epidemiological evidence for a differential effect of hookworm species, Ancylostoma duodenale or Necator americanus, on iron status of children. Int J Epidemiol 27: 530–537.
Albonico M, Rinaldi L, Sciascia S, Morgoglione ME, Piemonte M, Maurelli MP, Musella V, Utzinger J, Ali SM, Ame SM, Cringoli G, 2013. Comparison of three copromicroscopic methods to assess albendazole efficacy against soil-transmitted helminth infections in school-aged children on Pemba Island. Trans R Soc Trop Med Hyg 107: 493–501.
Speich B, Moser W, Ali SM, Ame SM, Albonico M, Hattendorf J, Keiser J, 2016. Efficacy and reinfection with soil-transmitted helminths 18-weeks post-treatment with albendazole-ivermectin, albendazole-mebendazole, albendazole-oxantel pamoate and mebendazole. Parasit Vectors 9: 123.
World Health Organization, 2011. Global Programme to Eliminate Lymphatic Filariasis: Monitoring and Epidemiological Assessment of Mass Drug Administration: A Manual for National Elimination Programs. Geneva, Switzerland: WHO.
Rebollo MP, Mohammed KA, Thomas B, Ame S, Ali SM, Cano J, Escalada AG, Bockarie MJ, 2015. Cessation of mass drug administration for lymphatic filariasis in Zanzibar in 2006: was transmission interrupted? PLoS Negl Trop Dis 9: e0003669.
Speich B, Ali SM, Ame SM, Bogoch II, Alles R, Huwyler J, Albonico M, Hattendorf J, Utzinger J, Keiser J, 2015. Efficacy and safety of albendazole plus ivermectin, albendazole plus mebendazole, albendazole plus oxantel pamoate, and mebendazole alone against Trichuris trichiura and concomitant soil-transmitted helminth infections: a four-arm, randomised controlled trial. Lancet Infect Dis 15: 277–284.
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Strongyloides stercoralis, although endemic in many countries, is not included in helminth control programs. Few data are available on the prevalence and morbidity linked to this infection. We compared data from two studies conducted in 1998 and 2013 on Pemba Island, Tanzania, involving 525 and 509 schoolchildren, respectively. In 1998, the diagnostic method used was Harada Mori, whereas in 2013 diagnosis was made by both Koga agar plate and Baermann methods. The prevalence registered was 41% in 1998 and 7% in 2013. This data suggest that the prevalence of S. stercoralis on Pemba was significantly reduced 7 years after the last ivermectin administration for preventive chemotherapy and underlines the importance and impact of large-scale preventive chemotherapy, which often goes beyond its actual target. Preventive chemotherapy with ivermectin should be recommended in areas where S. stercoralis is endemic.
Financial support: Jennifer Keiser is thankful to the European Research Council (ERC-2013-CoG 614739-A_HERO) for financial support.
Authors’ addresses: Beatrice Barda, Department of Medical Parasitology and Infection Biology, Schweizerisches Tropen- und Public Health-Institut, Basel, Switzerland, E-mail: beatrice.barda@unibas.ch. Marco Albonico and Dora Buonfrate, Centre for Tropical Diseases, Sacro Cuore-Don Calabria Hospital, Verona, Italy, E-mails: albonico@tin.it and dora.buonfrate@sacrocuore.it. Ame Shaali Makame, Department of Microbiology, Public Health Laboratory Ivo de Carneri, Chake-Chake, Tanzania, E-mail: shaaliame@yahoo.com. Said M. Ali, Public Health Laboratory Ivo de Carneri, Zanzibar, Tanzania, E-mail: saidmali2003@yahoo.com. Benjamin Speich, Department of Clinical Research, Basel Institute for Clinical Epidemiology and Biostatistics, Universitatsspital Basel, Basel, Switzerland, E-mail: beni.speich@gmail.com. Jennifer Keiser, Department of Medical Parasitology and Infection Biology, Swiss Tropical Institute, Basel, Switzerland, E-mail: jennifer.keiser@unibas.ch.
Olsen A, van Lieshout L, Marti H, Polderman T, Polman K, Steinmann P, Stothard R, Thybo S, Verweij JJ, Magnussen P, 2009. Strongyloidiasis: the most neglected of the neglected tropical diseases? Trans R Soc Trop Med Hyg 103: 967–972.
Bisoffi Z, Buonfrate D, Montresor A, Requena-Méndez A, Muñoz J, Krolewiecki AJ, Gotuzzo E, Mena MA, Chiodini PL, Anselmi M, Moreira J, Albonico M, 2013. Strongyloides stercoralis: a plea for action. PLoS Negl Trop Dis 7: e2214.
Siddiqui AA, Berk SL, 2001. Diagnosis of Strongyloides stercoralis infection. Clin Infect Dis Off Publ Infect Dis Soc Am 33: 1040–1047.
Krolewiecki AJ, Ramanathan R, Fink V, McAuliffe I, Cajal SP, Won K, Juarez M, Di Paolo A, Tapia L, Acosta N, Lee R, Lammie P, Abraham D, Nutman TB, 2010. Improved diagnosis of Strongyloides stercoralis using recombinant antigen-based serologies in a community-wide study in northern Argentina. Clin Vaccine Immunol 17: 1624–1630.
Keiser J, Utzinger J, 2010. The drugs we have and the drugs we need against major helminth infections. Adv Parasitol 73: 197–230.
Henriquez-Camacho C, Gotuzzo E, Echevarria J, White AC, Terashima A, Samalvides F, Pérez-Molina JA, Plana MN, 2016. Ivermectin versus albendazole or thiabendazole for Strongyloides stercoralis infection. Cochrane Database Syst Rev CD007745.
World Health Organization. Provisional Strategy for Interrupting Lymphatic Filariasis Transmission in Loiasis-Endemic Countries: Report of the Meeting on Lymphatic Filariasis, Malaria and Integrated Vector Management. Geneva, Switzerland: WHO. Available at: http://www.who.int/lymphatic_filariasis/resources/who_htm_ntd_pct_2012.6/en/. Accessed March 1, 2017.
Knopp S, Mohammed KA, Rollinson D, Stothard JR, Khamis IS, Utzinger J, Marti H, 2009. Changing patterns of soil-transmitted helminthiases in Zanzibar in the context of national helminth control programs. Am J Trop Med Hyg 81: 1071–1078.
Anselmi M, Buonfrate D, Guevara Espinoza A, Prandi R, Marquez M, Gobbo M, Montresor A, Albonico M, Racines Orbe M, Martin Moreira J, Bisoffi Z, 2015. Mass administration of ivermectin for the elimination of onchocerciasis significantly reduced and maintained low the prevalence of Strongyloides stercoralis in Esmeraldas, Ecuador. PLoS Negl Trop Dis 9: e0004150.
Albonico M, Stoltzfus RJ, Savioli L, Tielsch JM, Chwaya HM, Ercole E, Cancrini G, 1998. Epidemiological evidence for a differential effect of hookworm species, Ancylostoma duodenale or Necator americanus, on iron status of children. Int J Epidemiol 27: 530–537.
Albonico M, Rinaldi L, Sciascia S, Morgoglione ME, Piemonte M, Maurelli MP, Musella V, Utzinger J, Ali SM, Ame SM, Cringoli G, 2013. Comparison of three copromicroscopic methods to assess albendazole efficacy against soil-transmitted helminth infections in school-aged children on Pemba Island. Trans R Soc Trop Med Hyg 107: 493–501.
Speich B, Moser W, Ali SM, Ame SM, Albonico M, Hattendorf J, Keiser J, 2016. Efficacy and reinfection with soil-transmitted helminths 18-weeks post-treatment with albendazole-ivermectin, albendazole-mebendazole, albendazole-oxantel pamoate and mebendazole. Parasit Vectors 9: 123.
World Health Organization, 2011. Global Programme to Eliminate Lymphatic Filariasis: Monitoring and Epidemiological Assessment of Mass Drug Administration: A Manual for National Elimination Programs. Geneva, Switzerland: WHO.
Rebollo MP, Mohammed KA, Thomas B, Ame S, Ali SM, Cano J, Escalada AG, Bockarie MJ, 2015. Cessation of mass drug administration for lymphatic filariasis in Zanzibar in 2006: was transmission interrupted? PLoS Negl Trop Dis 9: e0003669.
Speich B, Ali SM, Ame SM, Bogoch II, Alles R, Huwyler J, Albonico M, Hattendorf J, Utzinger J, Keiser J, 2015. Efficacy and safety of albendazole plus ivermectin, albendazole plus mebendazole, albendazole plus oxantel pamoate, and mebendazole alone against Trichuris trichiura and concomitant soil-transmitted helminth infections: a four-arm, randomised controlled trial. Lancet Infect Dis 15: 277–284.
Past two years | Past Year | Past 30 Days | |
---|---|---|---|
Abstract Views | 391 | 301 | 11 |
Full Text Views | 400 | 7 | 0 |
PDF Downloads | 134 | 9 | 0 |