References
  -  J. Laine, E. Huovinen, M.J. Virtanen, M. Snellman, J. Lumio,
    P. Ruutu, E. Kujansuu, R. Vuento, T. Pitkänen, I. Miettinen,
    J. Herrala, O. Lepistö, J. Antonen, J. Helenius, M.L. Hänninen,
    L. Maunula, J. Mustonen, M. Kuusi, An extensive gastroenteritis
    outbreak after drinking-water contamination by sewage
    effluent, Finland, Epidemiol. Infect., 139 (2011) 1105–13. 
-  A. Koohestanian, M. Hosseini, Z. Abbasian, The separation
    method for removing of colloidal particles from raw water,
    American-Eurasian J. Agric. Environ. Sci., 4 (2008) 266–273. 
-  J.L. Henderson, R.S. Raucher, S. Weicksel, J. Oxenford, F. Mangravite,
    Supply of Critical Drinking Water and Wastewater
    Treatment Chemicals - A White Paper for Understanding Recent
    Chemical Price Increases and Shortages – 4225, Water Research
    Foundation, Colorado, 2009. 
-  P. Jarvis, E. Sharp, M. Pidou, R. Molinder, S.A. Parsons,
    B. Jefferson, Comparison of coagulation performance and floc
    properties using a novel zirconium coagulant against traditional
    ferric and alum coagulants, Water Res., 46 (2012) 4179–4187. 
-  Z. Yang, B. Gao, Y. Wang, Q. Wang, Q. Yue. Aluminum fractions
    in surface water from reservoirs by coagulation treatment
    with polyaluminum chloride (PAC): influence of initial pH and
    OH−/Al3+ ratio, Chem. Eng. J., 170 (2011) 107–113. 
-  W. Wang, H. Yang, X. Wang, J. Jiang and W. Zhu, Effects of
    fulvic acid and humic acid on aluminum speciation in drinking
    water, J. Environ. Sci., 22 (2010) 211–217. 
-  M. Pritchard, T. Craven, T. Mkandawire, A.S. Edmondson,
    J.G. O’Neill, A comparison between Moringa oleifera and
    chemical coagulants in the purification of drinking water – an
    alternative sustainable solution for developing countries, Phys.
    Chem. Earth, 35 (2010) 798–805. 
-  L.L. Salazar Gámez, M. Luna-delRisco, R.E. Cano, Comparative
    study between M. oleifera and aluminum sulfate for water
    treatment: case study Colombia, Environ. Monit. Assess.,
    187 (2015) 668–676. 
-  S.A.A. Jahn, Traditional Water Purification in Developing
    Countries: Existing Methods and Potential Application, German
    Agency for Technical Cooperation, Eschborn, 1981, 282 p. 
-  J.E.S. Paterniani, T.A.P. Ribeiro, M.C. Mantovani, M.R. Sant’
    Anna, Water treatment by sedimentation and slow fabric
    filtration using Moringa oleifera seeds, Afr. J. Agric. Res., 5 (2010)
    1256–1263. 
-  L. Nishi, A.M.S. Vieira, M.F. Vieira, G.F. Silva, R. Bergamasco,
    Application of hybrid process of coagulation/flocculation and
    membrane filtration for the removal of protozoan parasites
    from water, Procedia Eng., 42 (2012) 148–160. 
-  L.A. Al_husnan, M.D. Alkahtani, Impact of Moringa aqueous
    extract on pathogenic bacteria and fungi in vitro, Ann. Agric.
    Sci., 61 (2016) 247–250. 
-  A.A. Marchioro, C.M. Colli, É.C. Ferreira, B.M. Viol,
    S.M. Araújo, A.L. Falavigna-Guilherme, Risk factors associated
    with toxoplasmosis and toxocariasis in populations of children
    from nine cities in Southern Brazil, J. Helminthol., 89 (2015)
    428–432. 
-  C.M. Deuter, J.G. Garweg, U. Pleyer, U. Schönherr, S. Thurau,
    Ocular toxoplasmosis and toxocariasis in childhood, Klin.
    Monbl. Augenheilkd., 224 (2007) 483–487. 
-  A.P. Sanders, T. Dos Santos, C.K.K. Felipe, M.L. Estevão,
    C. Cícero, F. Evangelista, C.A. Manrique, A.S. Mizutani,
    A.L. Falavigna-Guilherme, Ocular lesions in congenital toxoplasmosis
    in Santa Isabel do Ivaí, Paraná, Brazil, Pediatr. Infect.
    Dis. J., 36 (2017) 817–820. 
-  L. Machala, P. Kodym, M. Malý, M. Geleneky, O. Beran, D. Jilich,
    Toxoplasmosis in immunocompromised patients, Epidemiol.
    Mikrobiol. Immunol., 64 (2015) 59–65. 
-  R. Cantusio Neto, R.M.B. Franco, Ocorrência de oocistos de
    Cryptosporidium spp. e cistos de Giardia spp. em diferentes
    pontos do processo de tratamento de água, em Campinas,
    São Paulo, Brasil. Hig. Aliment., 18 (2004) 52–59. 
-  W.L. Homan, M. Vercammen, J. De Braekeleer, H. Verschueren,
    Identification of a 200- to 300-fold repetitive 529 bp DNA
    fragment in Toxoplasma gondii, and its use for diagnostic and
    quantitative PCR, Int. J. Parasitol., 30 (2000) 69–75. 
-  T. Harada, O. Mori, A new method for culturing hook worm,
    Yonago Acta Med., 1 (1995) 177–179. 
-  G.S. Madrona, G.B. Serpelloni, A.M. Salcedo Vieira, L. Nishi,
    K.C. Cardoso, R. Bergamasco, Study of the effect of saline
    solution on the extraction of the Moringa oleifera seed’s active
    component for water treatment, Water Air Soil Pollut., 211 (2010)
    409–415. 
-  K.C. Valverde, L.C.K. Moraes, M.C. Bongiovani, F.P. Camacho,
    R. Bergamasco, Coagulation diagram using the Moringa
    oleifera Lam and the aluminium sulphate, aiming the removal
    of color and turbidity of water. Acta Sci., 35 (2013) 485–489. 
-  A.D. Eaton, L.S. Clesceri, E.W. Rice, A.E. Greenberg, M.A.H.
    Franson, Standard Methods for the Examination of Water and
    Wastewater, American Public Health Association, Washington,
    D.C., 2005. 
-  A.A. Marchioro, B.T. Tiyo, C.M. Colli, C.Z. de Souza, J.L. Garcia,
    M.L. Gomes, A.L. Falavigna-Guilherme, First detection of
    Toxoplasma gondii DNA in the fresh leafs of vegetables in South
    America, Vector Borne Zoonotic Dis., 16 (2016) 624–626. 
-  M. Opsteegh, S. Prickaerts, K. Frankena, E.G. Evers,
    A quantitative microbial risk assessment for meatborne
    Toxoplasma gondii infection in The Netherlands, Int. J. Food
    Microbiol., 150 (2011) 103–114. 
-  J.L. Burg, C.M. Grover, P. Pouletty, J.C. Boothroyd, Direct and
    sensitive detection of a pathogenic protozoan, Toxoplasma gondii,
    by polymerase chain reaction, J. Clin. Microbiol., 27 (1989)
    1787–1792. 
-  J.P. Dubey, N.L. Miller, J.K. Frenkel, Toxoplasma gondii life cycle
    in cats, J. Am. Vet. Med. Assoc., 157 (1970) 1767–1770. 
-  J.P. Dubey, D.S. Lindsay, C.A. Speer, Structures of Toxoplasma
    gondii tachyzoites, bradyzoites, and sporozoites and biology
    and development of tissue cysts, Clin. Microbiol. Rev., 11 (1998)
    267–299. 
-  J. Rostgaard, P. Christensen, A multipurpose specimen-carrier
    for handling small biological objects through critical point
    drying, J. Microsc., 105 (1975) 107–113. 
-  D. Rejmanek, E. Vanwormer, J.A. Mazet, A.E. Packham,
    B. Aguilar, P.A. Conrad, Congenital transmission of Toxoplasma
    gondii in deer mice (Peromyscus maniculatus) after oral oocyst
    infection, J. Parasitol., 96 (2010) 516–520. 
-  H.H. Petersen, T.B. Petersen, H.L. Enemark, A. Olsen,
    A. Dalsgaard, Removal of Cryptosporidium parvum oocysts
    in low quality water using Moringa oleifera seed extract as
    coagulant, Food Waterborne Parasitol., 3 (2016) 1–8. 
-  A. Keegan, D. Daminato, C.P. Saint, P.T. Monis, Effect of
    water treatment processes on Cryptosporidium infectivity, Water
    Res., 54 (2008) 103–107. 
-  M.C. Bongiovani, F.P. Camacho, L. Nishi, P.F. Coldebella,
    K.C. Valverde, A.M. Vieira, R. Bergamasco, Improvement of
    the coagulation/flocculation process using a combination of
    Moringa oleifera Lam with anionic polymer in water treatment,
    Environ. Technol., 35 (2014) 2227–2236. 
-  C. Kourenti, P. Karanis, H. Smith, Waterborne transmission
    of protozoan parasites: a worldwide review of outbreaks and
    lessons learnt, J. Water Health, 5 (2007) 1–38. 
-  M.E. Sengupta, B. Keraita, A. Olsen, O.K. Boateng,
    S.M. Thamsborg, G.R. Pálsdóttir, A. Dalsgaard, Use of Moringa
    oleifera seed extracts to reduce helminth egg numbers and
    turbidity in irrigation water, Water Res., 46 (2012) 3646–3656. 
-  S.E. Etewa, S.A. Abdel-Rahman, N.F. Abd El-Aal, G.M. Fathy,
    M.A. El-Shafey, A.M.G. Ewis, Geohelminths distribution as
    affected by soil properties, physicochemical factors and climate
    in Sharkyia governorate Egypt, J. Parasitol. Dis., 40 (2016)
    496–504.