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Taenia solium human cysticercosis : a systematic review of sero-epidemiological data from endemic zones around the world

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Abstract
Background: Taenia solium cysticercosis is a zoonotic neglected disease responsible for severe health disorders such as seizures and death. Understanding the epidemiology of human cysticercosis (HCC) in endemic regions will help to expose critical information about the transmission of the disease, which could be used to design efficient control programs. This review gathered serological data on apparent prevalence of T. solium circulating antigens and/or seroprevalence of T. solium antibodies, apparent prevalence of human taeniasis and risk factors for HCC from endemic communities in order to understand the differences in exposure to the parasite and active infections with T. solium metacestodes in endemic areas around the world. Methods: Three databases were used to search sero-epidemiological data from community-based studies conducted between 1989 and 2014 in cysticercosis endemic communities worldwide. The search focused on data obtained from T. solium circulating antigen detection by monoclonal antibody-based sandwich ELISA and/or T. solium antibody seroprevalence determined by Enzyme-linked Immunoelectrotransfer Blot (EITB). A meta-analysis was performed per continent. Principal Findings: A total of 39,271 participants from 19 countries, described in 37 articles were studied. The estimates for the prevalence of circulating T. solium antigens for Africa, Latin America and Asia were: 7.30% (95% CI [4.23–12.31]), 4.08% (95% CI [2.77–5.95]) and 3.98% (95% CI [2.81–5.61]), respectively. Seroprevalence estimates of T. solium antibodies were 17.37% (95% CI [3.33–56.20]), 13.03% (95% CI [9.95–16.88]) and 15.68% (95% CI [10.25–23.24]) respectively. Taeniasis reported prevalences ranged from 0 (95% CI [0.00–1.62]) to 17.25% (95% CI [14.55–20.23]). Significance: A significant variation in the sero-epidemiological data was observed within each continent, with African countries reporting the highest apparent prevalences of active infections. Intrinsic factors in the human host such as age and immunity were main determinants for the occurrence of infections, while exposure was mostly related to environmental factors which varied from community to community.
Keywords
human cysticercosis, Taenia solium, serology, endemic, HUMAN NEUROCYSTICERCOSIS, SAGINATA CYSTICERCOSIS, RURAL-COMMUNITY, HIGH SEROPREVALENCE, DISEASE BURDEN, EASTERN ZAMBIA, TAPEWORM EGGS, BURKINA-FASO, RISK-FACTORS, VILLAGE

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Chicago
Coral Almeida, Marco, Sarah Gabriël, Emmanuel Abatih, Nicolas Praet, Washington Benítez, and Pierre Dorny. 2015. “Taenia Solium Human Cysticercosis : a Systematic Review of Sero-epidemiological Data from Endemic Zones Around the World.” Plos Neglected Tropical Diseases 9 (7).
APA
Coral Almeida, M., Gabriël, S., Abatih, E., Praet, N., Benítez, W., & Dorny, P. (2015). Taenia solium human cysticercosis : a systematic review of sero-epidemiological data from endemic zones around the world. PLOS NEGLECTED TROPICAL DISEASES, 9(7).
Vancouver
1.
Coral Almeida M, Gabriël S, Abatih E, Praet N, Benítez W, Dorny P. Taenia solium human cysticercosis : a systematic review of sero-epidemiological data from endemic zones around the world. PLOS NEGLECTED TROPICAL DISEASES. 2015;9(7).
MLA
Coral Almeida, Marco, Sarah Gabriël, Emmanuel Abatih, et al. “Taenia Solium Human Cysticercosis : a Systematic Review of Sero-epidemiological Data from Endemic Zones Around the World.” PLOS NEGLECTED TROPICAL DISEASES 9.7 (2015): n. pag. Print.
@article{6872594,
  abstract     = {Background: Taenia solium cysticercosis is a zoonotic neglected disease responsible for severe health disorders such as seizures and death. Understanding the epidemiology of human cysticercosis (HCC) in endemic regions will help to expose critical information about the transmission of the disease, which could be used to design efficient control programs. This review gathered serological data on apparent prevalence of T. solium circulating antigens and/or seroprevalence of T. solium antibodies, apparent prevalence of human taeniasis and risk factors for HCC from endemic communities in order to understand the differences in exposure to the parasite and active infections with T. solium metacestodes in endemic areas around the world.
Methods: Three databases were used to search sero-epidemiological data from community-based studies conducted between 1989 and 2014 in cysticercosis endemic communities worldwide. The search focused on data obtained from T. solium circulating antigen detection by monoclonal antibody-based sandwich ELISA and/or T. solium antibody seroprevalence determined by Enzyme-linked Immunoelectrotransfer Blot (EITB). A meta-analysis was performed per continent.
Principal Findings: A total of 39,271 participants from 19 countries, described in 37 articles were studied. The estimates for the prevalence of circulating T. solium antigens for Africa, Latin America and Asia were: 7.30\% (95\% CI [4.23--12.31]), 4.08\% (95\% CI [2.77--5.95]) and 3.98\% (95\% CI [2.81--5.61]), respectively. Seroprevalence estimates of T. solium antibodies were 17.37\% (95\% CI [3.33--56.20]), 13.03\% (95\% CI [9.95--16.88]) and 15.68\% (95\% CI [10.25--23.24]) respectively. Taeniasis reported prevalences ranged from 0 (95\% CI [0.00--1.62]) to 17.25\% (95\% CI [14.55--20.23]).
Significance: A significant variation in the sero-epidemiological data was observed within each continent, with African countries reporting the highest apparent prevalences of active infections. Intrinsic factors in the human host such as age and immunity were main determinants for the occurrence of infections, while exposure was mostly related to environmental factors which varied from community to community.},
  articleno    = {e0003919},
  author       = {Coral Almeida, Marco and Gabri{\"e}l, Sarah and Abatih, Emmanuel and Praet, Nicolas and Ben{\'i}tez, Washington and Dorny, Pierre},
  issn         = {1935-2735},
  journal      = {PLOS NEGLECTED TROPICAL DISEASES},
  keyword      = {human cysticercosis,Taenia solium,serology,endemic,HUMAN NEUROCYSTICERCOSIS,SAGINATA CYSTICERCOSIS,RURAL-COMMUNITY,HIGH SEROPREVALENCE,DISEASE BURDEN,EASTERN ZAMBIA,TAPEWORM EGGS,BURKINA-FASO,RISK-FACTORS,VILLAGE},
  language     = {eng},
  number       = {7},
  pages        = {20},
  title        = {Taenia solium human cysticercosis : a systematic review of sero-epidemiological data from endemic zones around the world},
  url          = {http://dx.doi.org/10.1371/journal.pntd.0003919},
  volume       = {9},
  year         = {2015},
}

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