Abstract
Reports on the prevalence of intestinal parasitosis in Brazil have been local in nature, with descriptions of different populations, which makes comprehensive diagnosis difficult. With the aim of studying the variation in the prevalence of intestinal parasitosis among schoolchildren in Caxias do Sul, Rio Grande do Sul, over a 35-year period, 9,787 parasitological stool tests that had been performed using centrifugal sedimentation were evaluated. There were positive results from 5,655 samples (58%), and the most prevalent infestations were of Ascaris lumbricoides (47%), Trichuris trichiura (36%), Enterobius vermicularis (8%) and the protozoa Giardia lamblia (24%) and Entamoeba coli (20%). The overall prevalence diminished from 89% to 37%, indicating an average decrease of 1.4% per year. Reductions in prevalence were observed for Ascaris lumbricoides (61 to 26%) and Trichuris trichiura (38 to 18%). No significant change was observed for Giardia lamblia. The prevalence of Entamoeba coli increased from 29 to 46%. The decreases in helminth prevalence were probably due to infrastructure improvements and educational actions undertaken in schools.
References
Jul 6, 2000·Revista Da Sociedade Brasileira De Medicina Tropical·K M LudwigJ T Ribeiro-Paes
Jun 2, 2001·Parasitology·L S StephensonE A Ottesen
Jul 4, 2001·Clinical Microbiology Reviews·R D Adam
Mar 12, 2002·Revista de saúde pública·Mônica Rodrigues CamposRoberto de Andrade Medronho
May 14, 2004·Revista Do Instituto De Medicina Tropical De São Paulo·Fernanda B MorroneGeraldo A de Carli
Sep 14, 2004·Revista Da Sociedade Brasileira De Medicina Tropical·Rosiléia Marinho de QuadrosIris Aparecida Azevedo Medeiros
Sep 21, 2005·Revista Da Sociedade Brasileira De Medicina Tropical·Glauco Rogério Ferreira, Carlos Fernando Salgueirosa Andrade
Citations
Dec 23, 2015·Interdisciplinary Perspectives on Infectious Diseases·Maria Aparecida Alves de Oliveira SerraIvo Castelo Branco Coelho
Feb 21, 2009·Revista Do Instituto De Medicina Tropical De São Paulo·Maria das Graças Marciano Hirata TakizawaMônica Lúcia Gomes
Sep 27, 2013·PLoS Neglected Tropical Diseases·Martha Idalí SaboyáSteven Kenyon Ault
Nov 22, 2013·International Journal of Environmental Health Research·Cristiane Maria ColliMônica Lúcia Gomes
Mar 19, 2016·Parasitology Research·Maria Teresinha Gomes CasavechiaJorge Juarez Vieira Teixeira
Sep 22, 2017·PloS One·Larissa Gabrielle CurvalMaria Elizabeth Cavalheiros Dorval
Aug 2, 2018·Revista paulista de pediatria : orgão oficial da Sociedade de Pediatria de São Paulo·Evandro BrandeleroMaribel Emília Gaio
Sep 6, 2018·Revista de salud pública·Alline M Nunes Wildemberg BrauerMarco Antônio Andrade de Souza
Sep 1, 2018·Parasites & Vectors·Raimundo SeguíDavid Carmena
Feb 23, 2011·Revista Da Sociedade Brasileira De Medicina Tropical·Jefferson Conceição SilvaAna Carolina Fonseca Lindoso Melo
Aug 4, 2011·Parasitology·F M Paula, J M Costa-Cruz
Jun 20, 2014·PLoS Neglected Tropical Diseases·Jacqueline Evangelista FonsecaLéo Heller
Jan 15, 2015·Revista brasileira de reumatologia·Alessandra Sousa BrazCaliandra Maria Bezerra Luna Lima
Mar 9, 2017·PLoS Neglected Tropical Diseases·Clarissa Perez FariaMaria do Céu Sousa
Oct 5, 2013·Pathogens and Global Health·Frederico F GilMaria A Gomes
Aug 2, 2011·Annals of Tropical Medicine and Parasitology·A SejdiniG Kasmi
Apr 5, 2021·Parasite : Journal De La Société Française De Parasitologie·Andernice Dos Santos ZanettiOmar Ariel Espinosa