House indicator (HI) |
Wall type |
Bahareque, adobe, wood, block or brick, other, no wall |
Percentage composition of each material |
(Rabinovich et al. 1979Rabinovich JE, Leal JA, de Piñero DF. Domiciliary biting frequency and blood ingestion of the chagas’s disease vector Rhodnius prolixus ståhl (Hemiptera: Reduviidae), in venezuela. Trans R Soc Trop Med Hyg. 1979; 73(3): 272-83., Guhl 2000Guhl F. Programas en la eliminación de la transmisión de la enfermedad de Chagas en Colombia. Academia Nacional de Medicina de Colombia. Medicina (B. Aires). 2000; 22(53): 96-105., Silveira 2003Silveira A. Modelos factibles de vigilancia de la enfermedad de Chagas. Rev Patol Trop. 2003; 32(2): 175-84., Sosa-Jurado et al. 2004Sosa-Jurado F, Zumaquero-Ríos JL, Reyes PA, Cruz-García A, Guzmán-Bracho C, Monteón VM. Factores bióticos y abióticos que determinan la seroprevalencia de anticuerpos contra Trypanosoma Cruzi en el municipio de Palmar de Bravo, Puebla, México. Salud Publica Mex. 2004; 46(1): 39-48., Montenegro et al. 2016Montenegro D, Vera M, Zuleta L, Llanos V, Junqueira A. Estrategia para determinar la línea base en áreas de interrupción vectorial de la enfermedad de Chagas. Rev Panam Salud Publica. 2016; 39(6): 341-51.) |
Wall plaster |
Partially, Without plaster, total plaster |
Roof type |
Thatch, palm tree leaves, clay tile, zinc, Eternit, etc. |
Floor type |
Wooden, tiling, uncoated, cement |
Annexes |
Corral: rustic bower, henhouse, stable, pigsty, barn, kitchen, etc. |
Qualitative variables: presence and absence |
Deposits: external areas of leisure or work, accumulation of firewood, stones, etc. |
|
Triatomine indicator (TI) |
Triatomine reports by the population |
Intradomiciliar, peridomiciliar, extradomiciliar |
Percentage of homes with triatomine reports |
(Silveira et al. 1984Silveira AC, de Rezende DF, Máximo MHC. Risk measure of domestic transmission of Chagas’ disease, through a new entomological indicator. Mem Inst Oswaldo Cruz. 1984; 79(Suppl.): 113-5., Romaña et al. 1999Romaña CA, Pizarro JC, Rodas EEG. Palm trees as ecological indicators of risk areas for Chagas disease. Trans R Soc Trop Med Hyg. 1999; 93(6): 594-5., MSPS/INS 2011, Abad-Franch 2016Abad-Franch F. A simple, biologically sound, and potentially useful working classification of Chagas disease vectors. Mem Inst Oswaldo Cruz. 2016; 111(10): 649-51., Montenegro et al. 2016Montenegro D, Vera M, Zuleta L, Llanos V, Junqueira A. Estrategia para determinar la línea base en áreas de interrupción vectorial de la enfermedad de Chagas. Rev Panam Salud Publica. 2016; 39(6): 341-51.) |
Presence of triatomines from entomological surveys |
Primary species: any domiciled species or population of triatomine (example: Rhodnius prolixus) |
Entomological triatomine indicators: dispersion, colonization and infestation rates |
Secondary species: synanthropic species or population that colonize the artificial environment (example: Panstrongilus geniculatus)
|
Tertiary species: species or visiting the home environment (example: R. pictipes)
|
Natural infection with Trypanosoma spp. |
Primary species |
Natural infection percentage with Trypanosoma spp by species |
(Perlowagora-Szumlewicz & Moreira 1994Perlowagora-Szumlewicz A, Moreira CJC. In vivo differentiation of Trypanosoma cruzi1 - 1. Experimental evidence of the influence of vector species on metacyclogenesis. Mem Inst Oswaldo Cruz. 1994; 89(4): 603-18., Junqueira et al. 2011Junqueira A, Gonçalves T, Moreira C. Manual de capacitação na detecção de Trypanosoma cruzi para microscopistas de malária e laboratoristas da rede pública. Rio de Janeiro: Fiocruz; 2011. 300 pp., MSPS/INS 2011) |
Secondary species |
Tertiary species |
|
Ecotope indicator (EI) |
Palm tree |
Primary species: palm tree presence functioning as habitat for triatomine specialists or habitat for different species of triatomines. Example: Attalea butyracea and Leopoldina piassaba. |
Percentage of houses with palm tree presence |
(Feliciangeli et al. 2007Feliciangeli M, Sanchez-Martin D, Marrero M, Davies C, Jean-Pierre D. Morphometric evidence for a possible role of Rhodnius prolixus from palm trees in house re-infestation in the state of Barinas (Venezuela). Acta Trop. 2007; 101(2): 169-77., Noireau et al. 2009Noireau F, Diosque P, Jansen AM. Trypanosoma cruzi: adaptation to its vectors and its hosts. Vet Res. 2009; 40(2): 26., Abad-Franch et al. 2010)Abad-Franch F, Ferraz G, Campos C, Palomeque FS, Grijalva MJ, Agui- lar HM, et al. Modeling disease vector occurrence when detection is imperfect: infestation of Amazonian palm trees by triatomine bugs at three spatial scales. PLoS Negl Trop Dis. 2010; 4(3): e620.
|
Secondary species: does not meet the above criteria but can be infested with triatomines. Example: Elaeis guineesis, Mauritia flexuosa, and other species of Attalea) |
Tertiary species: no history of triatomine infestation. Example: Euterpe olaracea
|
Presence of other ecotopes (dry trees, bromeliads, nesting birds or mammals) |
presence |
Presence of monocultures |
presence |
|
Host/reservoir indicator |
Presence of pets: dogs, @cats, chickens, pigs, etc. |
presence |
Average number of animals |
(Deane et al. 1984Deane MP, Lenzi HL, Jansen A, Deane MP, Lenzi HL, Jansen A. Trypanosoma cruzi: vertebrate and invertebrate cycles in the same mammal host, the opossum Didelphis marsupialis. Mem Inst Oswaldo Cruz. 1984; 79(4): 513-5., Sosa-Jurado et al. 2004Sosa-Jurado F, Zumaquero-Ríos JL, Reyes PA, Cruz-García A, Guzmán-Bracho C, Monteón VM. Factores bióticos y abióticos que determinan la seroprevalencia de anticuerpos contra Trypanosoma Cruzi en el municipio de Palmar de Bravo, Puebla, México. Salud Publica Mex. 2004; 46(1): 39-48., Noireau et al. 2009)Noireau F, Diosque P, Jansen AM. Trypanosoma cruzi: adaptation to its vectors and its hosts. Vet Res. 2009; 40(2): 26.
|
Presence of Didelphis spp |
presence |
Presence of other wildlife |
presence |
|
Socio-cultural indicator (S-CI) |
You know it is Chagas disease (CD) |
Yes/no |
Number of households with knowledge/ relationships/ practices regarding CD |
(Tah et al. 2015Tah ARV, Gómez LH, Beutelspacher AN, Canto JO, Ramsey JM. La vulnerabilidad humana a la transmisión vectorial de Trypanosoma cruzi a través de los procesos de salud-enfermedad y la apropiación social del territorio. Salud Colect. 2015; 11(2): 191-210., Montenegro et al. 2016)Montenegro D, Vera M, Zuleta L, Llanos V, Junqueira A. Estrategia para determinar la línea base en áreas de interrupción vectorial de la enfermedad de Chagas. Rev Panam Salud Publica. 2016; 39(6): 341-51.
|
Insect vector transmission associated with CD |
Yes/no |
There is practical vector control |
Yes/no |
Number of people per house |
Value |
Average number of permanent residents in the house |