Knopp S, Ame S.M, Hattendorf J, Ali S.M, Khamis I.S, Bakar F, Khamis M.A, Person B, Kabole F, Rollinson D. Correction to: Urogenital schistosomiasis elimination in Zanzibar: accuracy of urine filtration and haematuria reagent strips for diagnosing light intensity Schistosoma haematobium infections. Parasit Vectors. 2019;12:149. DOI: 10.1186/s13071-019-3397-8

2019
Journal Item
PubMed (30922376)
Link

Knopp S, Ame S.M, Person B, Hattendorf J, Rabone M, Juma S, Muhsin J, Khamis I.S, Hollenberg E, Mohammed K.A, Kabole F, Ali S.M, Rollinson D. A 5-Year intervention study on elimination of urogenital schistosomiasis in Zanzibar: parasitological results of annual cross-sectional surveys. PLoS Negl Trop Dis. 2019;13(5):e0007268. DOI: 10.1371/journal.pntd.0007268

2019
Journal Article
PubMed (31059495)
Link

Knopp S, Person B, Ame S.M, Ali S.M, Hattendorf J, Juma S, Muhsin J, Khamis I.S, Mohammed K.A, Utzinger J, Hollenberg E, Kabole F, Rollinson D. Evaluation of integrated interventions layered on mass drug administration for urogenital schistosomiasis elimination: a cluster-randomised trial. Lancet Glob Health. 2019(in press). DOI: 10.1016/S2214-109X(19)30189-5

2019
Journal Article
Link

Gyorkos T.W, Montresor A, Belizario V, Biggs B.A, Bradley M, Brooker S.J, Casapia M, Cooper P, Deb S, Gilbert N.L, Imtiaz R, Khieu V, Knopp S, Lincetto O, Mofid L.S, Mupfasoni D, Vail C, Vercruysse J. The right to deworming: the case for girls and women of reproductive age. PLoS Negl Trop Dis. 2018;12(11):e0006740. DOI: 10.1371/journal.pntd.0006740

2018
Journal Article
PubMed (30462641)
Link

Hoekstra P.T, Casacuberta Partal M, Amoah A.S, van Lieshout L, Corstjens Plam, Tsonaka S, Assaré R.K, Silue K.D, Meite A, N'Goran E.K, N'Gbesso Y.K, Roestenberg M, Knopp S, Utzinger J, Coulibaly J.T, van Dam G.J. Repeated doses of Praziquantel in Schistosomiasis Treatment (RePST) - single versus multiple praziquantel treatments in school-aged children in Côte d'Ivoire: a study protocol for an open-label, randomised controlled trial. BMC Infect Dis. 2018;18:662. DOI: 10.1186/s12879-018-3554-2

2018
Journal Article
PubMed (30547750)
Link

Knopp S, Ame S.M, Hattendorf J, Ali S.M, Bakar F, Khamis M.A, Person B, Kabole F, Rollinson D. Urogenital schistosomiasis elimination in Zanzibar: accuracy of urine filtration and haematuria reagent strips for diagnosing light intensity Schistosoma haematobium infections. Parasit Vectors. 2018;11:552. DOI: 10.1186/s13071-018-3136-6

2018
Journal Article
PubMed (30352631)
Link

Palmeirim M.S, Hürlimann E, Knopp S, Speich B, Belizario V.Jr, Joseph S.A, Vaillant M, Olliaro P, Keiser J. Efficacy and safety of co-administered ivermectin plus albendazole for treating soil-transmitted helminths: a systematic review meta-analysis and individual patient data analysis. PLoS Negl Trop Dis. 2018;12(4):e0006458. DOI: 10.1371/journal.pntd.0006458

2018
Journal Article
PubMed (29702653)
Link

Sikalengo G, Hella J, Mhimbira F, Rutaihwa L.K, Bani F, Ndege R, Sasamalo M, Kamwela L, Said K, Mhalu G, Mlacha Y, Hatz C, Knopp S, Gagneux S, Reither K, Utzinger J, Tanner M, Letang E, Weisser M, Fenner L. Distinct clinical characteristics and helminth co-infections in adult tuberculosis patients from urban compared to rural Tanzania. Infect Dis Poverty. 2018;7:24. DOI: 10.1186/s40249-018-0404-9

2018
Journal Article
PubMed (29580279)
Link

Tian-Bi N.T, Ouattara M, Knopp S, Coulibaly J.T, Hürlimann E, Webster B, Allan F, Rollinson D, Meïté A, Diakité N.R, Konan C.K, N'Goran E.K, Utzinger J. Interrupting seasonal transmission of Schistosoma haematobium and control of soil-transmitted helminthiasis in northern and central Côte d’Ivoire: a SCORE study protocol. BMC Public Health. 2018;18:186. DOI: 10.1186/s12889-018-5044-2

2018
Journal Article
PubMed (29378542)
Link

Amelio P, Portevin D, Reither K, Mhimbira F, Mpina M, Tumbo A, Nickel B, Marti H, Knopp S, Ding S, Penn-Nicholson A, Darboe F, Ohmiti K, Scriba T.J, Pantaleo G, Daubenberger C, Perreau M. Mixed Th1 and Th2 Mycobacterium tuberculosis-specific CD4 T cell responses in patients with active pulmonary tuberculosis from Tanzania. PLoS Negl Trop Dis. 2017;11(7):e0005817. DOI: 10.1371/journal.pntd.0005817

2017
Journal Article
PubMed (28759590)
Link

Mhimbira F, Hella J, Said K, Kamwela L, Sasamalo M, Maroa T, Chiryamkubi M, Mhalu G, Schindler C, Reither K, Knopp S, Utzinger J, Gagneux S, Fenner L. Prevalence and clinical relevance of helminth co-infections among tuberculosis patients in urban Tanzania. PLoS Negl Trop Dis. 2017;11(2):e0005342. DOI: 10.1371/journal.pntd.0005342

2017
Journal Article
PubMed (28178325)
Link

Said K, Hella J, Knopp S, Nassoro T, Shija N, Aziz F, Mhimbira F, Schindler C, Mwingira U, Mandalakas A.M, Manji K, Tanner M, Utzinger J, Fenner L. Schistosoma, other helminth infections, and associated risk factors in preschool-aged children in urban Tanzania. PLoS Negl Trop Dis. 2017;11(11):e0006017. DOI: 10.1371/journal.pntd.0006017

2017
Journal Article
PubMed (29108003)
Link

Assaré R.K, Hürlimann E, Ouattara M, N'Guessan N.A, Tian-Bi Y.T, Yapi A, Yao P.K, Coulibaly J.T, Knopp S, N'Goran E.K, Utzinger J. Sustaining the control of Schistosoma mansoni in western Côte d'Ivoire: baseline findings before the implementation of a randomized trial. Am J Trop Med Hyg. 2016;94(2):352-360. DOI: 10.4269/ajtmh.15-0530

2016
Journal Article
PubMed (26598571)

Assaré R.K, Tian-Bi Y.T, Yao P.K, N'Guessan N.A, Ouattara M, Yapi A, Coulibaly J.T, Meite A, Hürlimann E, Knopp S, Utzinger J, N'Goran E.K. Sustaining control of schistosomiasis mansoni in western Côte d'Ivoire: results from a SCORE study, one year after initial praziquantel administration. PLoS Negl Trop Dis. 2016;10(1):e0004329. DOI: 10.1371/journal.pntd.0004329

2016
Journal Article
PubMed (26789749)
Link

Becker S.L, Yap P, Horié N.S, Alirol E, Barbé B, Bhatta N.K, Bhattarai N.R, Bottieau E, Chatigre J.K, Coulibaly J.T, Fofana H.K.M, Jacobs J, Karki P, Khanal B, Knopp S, Koirala K, Mahendradhata Y, Mertens P, Meyanti F, Murhandarwati E.H, N'Goran E.K, Peeling R.W, Pradhan B, Ravinetto R, Rijal S, Sacko M, Saye R, Schneeberger P.H.H, Schurmans C, Silué K.D, Steinmann P, van Loen H, Verdonck K, van Lieshout L, von Müller L, Yao J.A, Boelaert M, Chappuis F, Polman K, Utzinger J. Experiences and lessons from a multicountry NIDIAG study on persistent digestive disorders in the tropics. PLoS Negl Trop Dis. 2016;10(11):e0004818. DOI: 10.1371/journal.pntd.0004818

2016
Journal Article
PubMed (27812101)
Link

Boelaert M, NIDIAG Consortium. Clinical research on neglected tropical diseases: challenges and solutions. PLoS Negl Trop Dis. 2016;10(11):e0004853. DOI: 10.1371/journal.pntd.0004853

2016
Journal Article
PubMed (27812095)
Link

Celone M, Person B, Ali S.M, Lyimo J.H, Mohammed U.A, Khamis A.N, Mohammed Y.S, Mohammed K.A, Rollinson D, Knopp S. Increasing the reach: involving local muslim religious teachers in a behavioral intervention to eliminate urogenital schistosomiasis in Zanzibar. Acta Trop. 2016;163:142-148. DOI: 10.1016/j.actatropica.2016.08.004

2016
Journal Article
PubMed (27498244)

Knopp S, Person B, Ame S.M, Ali S.M, Muhsin J, Juma S, Khamis I.S, Rabone M, Blair L, Fenwick A, Mohammed K.A, Rollinson D. Praziquantel coverage in schools and communities targeted for the elimination of urogenital schistosomiasis in Zanzibar: a cross-sectional survey. Parasit Vectors. 2016;9:5. DOI: 10.1186/s13071-015-1244-0

2016
Journal Article
PubMed (26727915)
Link

Knopp S. Interview: Dr. Steffi Knopp, NHM & Swiss TPH [Video]. In this interview, Dr. Steffi Knopp (from the Natural History Museum London & Swiss TPH) speaks to ISNTD about recent research at NHM on the impact of WASH & behaviour change programmes on schistosomiasis infection rates in Zanzibar. Dr. Knopp also discusses the positive role of religious community leaders & mosques, some current challenges in behaviour change communication & comic book approaches, and the NHM's important role for science & science communication.. [Date Accessed: 22.08.2017]

2016
Film or Broadcast
Link

Leuenberger A, Nassoro T, Said K, Fenner L, Sikalengo G, Letang E, Montresor A, Zhou X.N, Steinmann P, Marti H, Utzinger J, Knopp S. Assessing stool quantities generated by three specific Kato-Katz thick smear templates employed in different settings. Infect Dis Poverty. 2016;5:58. DOI: 10.1186/s40249-016-0150-9

2016
Journal Article
PubMed (27364623)
Link

Pennance T, Person B, Muhsin M.A, Khamis A.N, Muhsin J, Khamis I.S, Mohammed K.A, Kabole F, Rollinson D, Knopp S. Urogenital schistosomiasis transmission on Unguja Island, Zanzibar: characterisation of persistent hot-spots. Parasit Vectors. 2016;9:646. DOI: 10.1186/s13071-016-1847-0

2016
Journal Article
PubMed (27986092)
Link

Person B, Ali S.M, A'Kadir F.M, Ali J.N, Mohammed U.A, Mohammed K.A, Rollinson D, Knopp S. Community knowledge, perceptions, and practices associated with urogenital schistosomiasis among school-aged children in Zanzibar, United Republic of Tanzania. PLoS Negl Trop Dis. 2016;10(7):e0004814. DOI: 10.1371/journal.pntd.0004814

2016
Journal Article
PubMed (27399310)
Link

Person B, Knopp S, Ali S.M, A'Kadir F M, Khamis A.N, Ali J.N, Lymo J.H, Mohammed K.A, Rollinson D. Community co-designed schistosomiasis control interventions for school-aged children in Zanzibar. J Biosoc Sci. 2016;48(Suppl 1):S56-S73. DOI: 10.1017/S0021932016000067

2016
Journal Article
PubMed (27428066)

Assaré R.K, Hürlimann E, Ouattara M, N'Guessan A.N, Tian-Bi T.Y.N, Yapi A, Coulibaly J.T, Knopp S, N'Goran K.E, Utzinger J. Control of Schistosoma mansoni in western Côte d'Ivoire: baseline findings before the implementation of a randomised trial. Trop Med Int Health, 2015;20(Suppl. 1):238. Abstracts of the 9th European Congress on Tropical Medicine and International Health, 6-10 September 2015, Basel, Switzerland

2015
Conference Paper

Assaré R.K, Lai Y.S, Yapi A, Tian-Bi Y.N.T, Ouattara M, Yao P.K, Knopp S, Vounatsou P, Utzinger J, N'Goran E.K. The spatial distribution of Schistosoma mansoni infection in four regions of western Côte d'Ivoire. Geospat Health. 2015;10(345):69-79. DOI: 10.4081/gh.2015.345

2015
Journal Article
PubMed (26054523)
Link

Bergquist R, Yang G.J, Knopp S, Utzinger J, Tanner M. Surveillance and response: tools and approaches for the elimination stage of neglected tropical diseases. Acta Trop. 2015;141(Pt B):229-234. DOI: 10.1016/j.actatropica.2014.09.017

2015
Journal Article
PubMed (25301340)

Knopp S, Corstjens P.L, Koukounari A, Cercamondi C.I, Ame S.M, Ali S.M, de Dood C.J, Mohammed K.A, Utzinger J, Rollinson D, van Dam G.J. Sensitivity and specificity of a urine circulating anodic antigen test for the diagnosis of Schistosoma haematobium in low endemic settings. PLoS Negl Trop Dis. 2015;9(5):e0003752. DOI: 10.1371/journal.pntd.0003752

2015
Journal Article
PubMed (25973845)
Link

Knopp S, Person B, Ame S.M, Ali S.M, Mohammed K.A, Rollinson D. Elimination of urogenital schistosomiasis in Zanzibar: challenges for an integrated multidisciplinary research programme. Trop Med Int Health, 2015;20(Suppl. 1):230-231

2015
Conference Paper

Mashoud N.S, Knopp S, Lweno O, Abdul U, Mohammed A, Schindler T, Rothen J, Masimba J, Denis K, Mohammed A.S, Althaus F, Abdulla S, Tanner M, Daubenberger C, Genton B. Geohelminth co-infections associated with outcome of benzimidazole treatment for individual species. Trop Med Int Health, 2015;20(Suppl. 1):321-322

2015
Conference Paper

Masoud N.S, Lenz N, Schindler T, Knopp S, Lweno O, Abdul U, Mohamed A, Rothen J, Masimba J, Kwaba D, Mohammed A.S, Althaus F, Abdulla S, Tanner M, Daubenberger C, Genton B. The impact of soil transmitted helminth on malaria clinical presentation and treatment outcome: a case control study among children in Bagamoyo district, coastal region of Tanzania. Trop Med Int Health, 2015;20(Suppl. 1):41-42. Abstracts of the 9th European Congress on Tropical Medicine and International Health, 6-10 September 2015, Basel, Switzerland

2015
Conference Paper

Olliaro P.L, Vaillant M, Diawara A, Coulibaly J.T, Garba A, Keiser J, King C.H, Knopp S, Landoure A, N'Goran E.K, Raso G, Scherrer A.U, Sousa-Figueiredo J.C, Stete K, Zhou X.N, Utzinger J. Toward measuring Schistosoma response to praziquantel treatment with appropriate descriptors of egg excretion. PLoS Negl Trop Dis. 2015;9(6):e0003821. DOI: 10.1371/journal.pntd.0003821

2015
Journal Article
PubMed (26086551)
Link

Olliaro P.L, Vaillant M.T, Diawara A, Coulibaly J.T, Garba A, Keiser J, King C.H, Knopp S, Landoure A, N'Goran E.K, Raso G, Scherrer A.U, Sousa-Figueiredo J.C, Stete K, Zhou X.N, Utzinger J, Speich B, Albonico M, Halpenny C, Kihara J, Prichard R.K. How to measure responses to anthelmintic treatments? Centile distribution of individual versus group mean egg reduction rates. Trop Med Int Health, 2015;20(Suppl. 1):304-305

2015
Conference Paper

Salim N, Knopp S, Lweno O, Abdul U, Mohamed A, Schindler T, Rothen J, Masimba J, Kwaba D, Mohammed A.S, Althaus F, Abdulla S, Tanner M, Daubenberger C, Genton B. Distribution and risk factors for Plasmodium and helminth co-infections: a cross-sectional survey among children in Bagamoyo district, coastal region of Tanzania. PLoS Negl Trop Dis. 2015;9(4):e0003660. DOI: 10.1371/journal.pntd.0003660

2015
Journal Article
PubMed (25837022)
Link

Utzinger J, Becker S.L, van Lieshout L, van Dam G.J, Knopp S. New diagnostic tools in schistosomiasis. Clin Microbiol Infect. 2015;21(6):529-542. DOI: 10.1016/j.cmi.2015.03.014.

2015
Journal Article
PubMed (25843503)

Webster B.L, Rabone M, Pennance T, Emery A.M, Allan F, Gouvras A, Knopp S, Garba A, Hamidou A.A, Mohammed K.A, Ame S.M, Rollinson D, Webster J.P. Erratum to: Development of novel multiplex microsatellite polymerase chain reactions to enable high-throughput population genetic studies of Schistosoma haematobium. Parasit Vectors. 2015;8:519. DOI: 10.1186/s13071-015-1134-5

2015
Journal Item
PubMed (26453014)
Link

Webster B.L, Rabone M, Pennance T, Emery A.M, Allan F, Gouvras A, Knopp S, Garba A, Hamidou A.A, Mohammed K.A, Ame S.M, Rollinson D, Webster J.P. Development of novel multiplex microsatellite polymerase chain reactions to enable high-throughput population genetic studies of Schistosoma haematobium. Parasit Vectors. 2015;8:432. DOI: 10.1186/s13071-015-1044-6

2015
Journal Article
PubMed (26329827)
Link

Assaré R.K, Knopp S, N'Guessan N.A, Yapi A, Tian-Bi Y.N, Yao P.K, Coulibaly J.T, Ouattara M, Meité A, Fenwick A, N'Goran E.K, Utzinger J. Sustaining control of Schistosomiasis mansoni in moderate endemicity areas in western Côte d'Ivoire: a SCORE study protocol. BMC Public Health. 2014;14:1290. DOI: 10.1186/1471-2458-14-1290

2014
Journal Article
PubMed (25519880)
Link

Knopp S, Salim N, Schindler T, Karagiannis-Voules D.A, Rothen J, Lweno O, Mohammed A.S, Singo R, Benninghoff M, Nsojo A.A, Genton B, Daubenberger C. Diagnostic accuracy of Kato-Katz, FLOTAC, Baermann and PCR methods for the detection of light-intensity hookworm and Strongyloides stercoralis infections in Tanzania. Am J Trop Med Hyg. 2014;90(3):535-545. DOI: 10.4269/ajtmh.13-0268

2014
Journal Article
PubMed (24445211)

Levecke B, Brooker S.J, Knopp S, Steinmann P, Sousa-Figueiredo J.C, Stothard J.R, Utzinger J, Vercruysse J. Effect of sampling and diagnostic effort on the assessment of schistosomiasis and soil-transmitted helminthiasis and drug efficacy: a meta-analysis of six drug efficacy trials and one epidemiological survey. Parasitology. 2014;141(14):1826-1840. DOI: 10.1017/S0031182013002266

2014
Journal Article
PubMed (24725546)

Olliaro P.L, Vaillant M, Diawara A, Coulibaly J.T, Garba A, Keiser J, King C.H, Knopp S, Landouré A, N'Goran E.K, Raso G, Scherrer A.U, Sousa-Figueiredo J.C, Stete K, Zhou X.N, Utzinger J. Comparing methods to assess schistosoma response to praziquantel treatment. Am J Trop Med Hyg, 2014;91(5 Suppl. 1):112

2014
Conference Paper