Prevalence of signs of trachoma, ocular Chlamydia trachomatis infection and antibodies to Pgp3 in residents of Kiritimati Island, Kiribati

In some Pacific Island countries, such as Solomon Islands and Fiji, active trachoma is common, but ocular Chlamydia trachomatis (Ct) infection and trachomatous trichiasis (TT) are rare. On Tarawa, the most populous Kiribati island, both the active trachoma sign "trachomatous inflammation-follic...

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Published inPLoS neglected tropical diseases Vol. 11; no. 9; p. e0005863
Main Authors Cama, Anaseini, Müller, Andreas, Taoaba, Raebwebwe, Butcher, Robert M R, Itibita, Iakoba, Migchelsen, Stephanie J, Kiauea, Tokoriri, Pickering, Harry, Willis, Rebecca, Roberts, Chrissy H, Bakhtiari, Ana, Le Mesurier, Richard T, Alexander, Neal D E, Martin, Diana L, Tekeraoi, Rabebe, Solomon, Anthony W
Format Journal Article
LanguageEnglish
Published United States Public Library of Science 12.09.2017
Public Library of Science (PLoS)
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Abstract In some Pacific Island countries, such as Solomon Islands and Fiji, active trachoma is common, but ocular Chlamydia trachomatis (Ct) infection and trachomatous trichiasis (TT) are rare. On Tarawa, the most populous Kiribati island, both the active trachoma sign "trachomatous inflammation-follicular" (TF) and TT are present at prevalences warranting intervention. We sought to estimate prevalences of TF, TT, ocular Ct infection, and anti-Ct antibodies on Kiritimati Island, Kiribati, to assess local relationships between these parameters, and to help determine the need for interventions against trachoma on Kiribati islands other than Tarawa. As part of the Global Trachoma Mapping Project (GTMP), on Kiritimati, we examined 406 children aged 1-9 years for active trachoma. We collected conjunctival swabs (for droplet digital PCR against Ct plasmid targets) from 1-9-year-olds with active trachoma, and a systematic selection of 1-9-year-olds without active trachoma. We collected dried blood spots (for anti-Pgp3 ELISA) from all 1-9-year-old children. We also examined 416 adults aged ≥15 years for TT. Prevalence of TF and TT was adjusted for age (TF) or age and gender (TT) in five-year age bands. The age-adjusted prevalence of TF in 1-9-year-olds was 28% (95% confidence interval [CI]: 24-35). The age- and gender-adjusted prevalence of TT in those aged ≥15 years was 0.2% (95% CI: 0.1-0.3%). Twenty-six (13.5%) of 193 swabs from children without active trachoma, and 58 (49.2%) of 118 swabs from children with active trachoma were positive for Ct DNA. Two hundred and ten (53%) of 397 children had anti-Pgp3 antibodies. Both infection (p<0.0001) and seropositivity (p<0.0001) were strongly associated with active trachoma. In 1-9-year-olds, the prevalence of anti-Pgp3 antibodies rose steeply with age. Trachoma presents a public health problem on Kiritimati, where the high prevalence of ocular Ct infection and rapid increase in seropositivity with age suggest intense Ct transmission amongst young children. Interventions are required here to prevent future blindness.
AbstractList Objective In some Pacific Island countries, such as Solomon Islands and Fiji, active trachoma is common, but ocular Chlamydia trachomatis (Ct) infection and trachomatous trichiasis (TT) are rare. On Tarawa, the most populous Kiribati island, both the active trachoma sign “trachomatous inflammation-follicular” (TF) and TT are present at prevalences warranting intervention. We sought to estimate prevalences of TF, TT, ocular Ct infection, and anti-Ct antibodies on Kiritimati Island, Kiribati, to assess local relationships between these parameters, and to help determine the need for interventions against trachoma on Kiribati islands other than Tarawa. Methods As part of the Global Trachoma Mapping Project (GTMP), on Kiritimati, we examined 406 children aged 1-9 years for active trachoma. We collected conjunctival swabs (for droplet digital PCR against Ct plasmid targets) from 1-9-year-olds with active trachoma, and a systematic selection of 1-9-year-olds without active trachoma. We collected dried blood spots (for anti-Pgp3 ELISA) from all 1-9-year-old children. We also examined 416 adults aged ≥15 years for TT. Prevalence of TF and TT was adjusted for age (TF) or age and gender (TT) in five-year age bands. Results The age-adjusted prevalence of TF in 1-9-year-olds was 28% (95% confidence interval [CI]: 24-35). The age- and gender-adjusted prevalence of TT in those aged ≥15 years was 0.2% (95% CI: 0.1-0.3%). Twenty-six (13.5%) of 193 swabs from children without active trachoma, and 58 (49.2%) of 118 swabs from children with active trachoma were positive for Ct DNA. Two hundred and ten (53%) of 397 children had anti-Pgp3 antibodies. Both infection (p<0.0001) and seropositivity (p<0.0001) were strongly associated with active trachoma. In 1-9-year-olds, the prevalence of anti-Pgp3 antibodies rose steeply with age. Conclusion Trachoma presents a public health problem on Kiritimati, where the high prevalence of ocular Ct infection and rapid increase in seropositivity with age suggest intense Ct transmission amongst young children. Interventions are required here to prevent future blindness.
OBJECTIVEIn some Pacific Island countries, such as Solomon Islands and Fiji, active trachoma is common, but ocular Chlamydia trachomatis (Ct) infection and trachomatous trichiasis (TT) are rare. On Tarawa, the most populous Kiribati island, both the active trachoma sign "trachomatous inflammation-follicular" (TF) and TT are present at prevalences warranting intervention. We sought to estimate prevalences of TF, TT, ocular Ct infection, and anti-Ct antibodies on Kiritimati Island, Kiribati, to assess local relationships between these parameters, and to help determine the need for interventions against trachoma on Kiribati islands other than Tarawa. METHODSAs part of the Global Trachoma Mapping Project (GTMP), on Kiritimati, we examined 406 children aged 1-9 years for active trachoma. We collected conjunctival swabs (for droplet digital PCR against Ct plasmid targets) from 1-9-year-olds with active trachoma, and a systematic selection of 1-9-year-olds without active trachoma. We collected dried blood spots (for anti-Pgp3 ELISA) from all 1-9-year-old children. We also examined 416 adults aged ≥15 years for TT. Prevalence of TF and TT was adjusted for age (TF) or age and gender (TT) in five-year age bands. RESULTSThe age-adjusted prevalence of TF in 1-9-year-olds was 28% (95% confidence interval [CI]: 24-35). The age- and gender-adjusted prevalence of TT in those aged ≥15 years was 0.2% (95% CI: 0.1-0.3%). Twenty-six (13.5%) of 193 swabs from children without active trachoma, and 58 (49.2%) of 118 swabs from children with active trachoma were positive for Ct DNA. Two hundred and ten (53%) of 397 children had anti-Pgp3 antibodies. Both infection (p<0.0001) and seropositivity (p<0.0001) were strongly associated with active trachoma. In 1-9-year-olds, the prevalence of anti-Pgp3 antibodies rose steeply with age. CONCLUSIONTrachoma presents a public health problem on Kiritimati, where the high prevalence of ocular Ct infection and rapid increase in seropositivity with age suggest intense Ct transmission amongst young children. Interventions are required here to prevent future blindness.
Ocular infection with Chlamydia trachomatis causes trachoma. It is the leading infectious cause of blindness, and the target of an international campaign for elimination as a public health problem. Trachoma is endemic to Tarawa, the most populated island of Kiribati, housing approximately half the national population. However, the country has 20 inhabited islands and there were no previous trachoma prevalence data from Kiribati outside Tarawa. We set out to determine the prevalence of trachoma in the second most populated island, Kiritimati, located over 3000 km from Tarawa. In some other Pacific Island countries, ocular C . trachomatis infection is much less prevalent than the clinical signs that are used to guide interventions; we therefore looked for PCR-based evidence of current infection and antibodies to chlamydial proteins, in addition to recording clinical signs of trachoma. Our results indicate that trachoma and ocular C . trachomatis infection are prevalent on Kiritimati, and suggest that interventions are required here. The combined application of antibody, nucleic acid and clinical tools in an intervention-naïve population provides insight into their inter-relationships and the data are, therefore, of considerable interest to elimination programmes within and beyond the Pacific.
Objective In some Pacific Island countries, such as Solomon Islands and Fiji, active trachoma is common, but ocular Chlamydia trachomatis (Ct) infection and trachomatous trichiasis (TT) are rare. On Tarawa, the most populous Kiribati island, both the active trachoma sign “trachomatous inflammation-follicular” (TF) and TT are present at prevalences warranting intervention. We sought to estimate prevalences of TF, TT, ocular Ct infection, and anti-Ct antibodies on Kiritimati Island, Kiribati, to assess local relationships between these parameters, and to help determine the need for interventions against trachoma on Kiribati islands other than Tarawa. Methods As part of the Global Trachoma Mapping Project (GTMP), on Kiritimati, we examined 406 children aged 1-9 years for active trachoma. We collected conjunctival swabs (for droplet digital PCR against Ct plasmid targets) from 1-9-year-olds with active trachoma, and a systematic selection of 1-9-year-olds without active trachoma. We collected dried blood spots (for anti-Pgp3 ELISA) from all 1-9-year-old children. We also examined 416 adults aged ≥15 years for TT. Prevalence of TF and TT was adjusted for age (TF) or age and gender (TT) in five-year age bands. Results The age-adjusted prevalence of TF in 1-9-year-olds was 28% (95% confidence interval [CI]: 24-35). The age- and gender-adjusted prevalence of TT in those aged ≥15 years was 0.2% (95% CI: 0.1-0.3%). Twenty-six (13.5%) of 193 swabs from children without active trachoma, and 58 (49.2%) of 118 swabs from children with active trachoma were positive for Ct DNA. Two hundred and ten (53%) of 397 children had anti-Pgp3 antibodies. Both infection (p<0.0001) and seropositivity (p<0.0001) were strongly associated with active trachoma. In 1-9-year-olds, the prevalence of anti-Pgp3 antibodies rose steeply with age. Conclusion Trachoma presents a public health problem on Kiritimati, where the high prevalence of ocular Ct infection and rapid increase in seropositivity with age suggest intense Ct transmission amongst young children. Interventions are required here to prevent future blindness.
Objective In some Pacific Island countries, such as Solomon Islands and Fiji, active trachoma is common, but ocular Chlamydia trachomatis (Ct) infection and trachomatous trichiasis (TT) are rare. On Tarawa, the most populous Kiribati island, both the active trachoma sign "trachomatous inflammation-follicular" (TF) and TT are present at prevalences warranting intervention. We sought to estimate prevalences of TF, TT, ocular Ct infection, and anti-Ct antibodies on Kiritimati Island, Kiribati, to assess local relationships between these parameters, and to help determine the need for interventions against trachoma on Kiribati islands other than Tarawa. Methods As part of the Global Trachoma Mapping Project (GTMP), on Kiritimati, we examined 406 children aged 1-9 years for active trachoma. We collected conjunctival swabs (for droplet digital PCR against Ct plasmid targets) from 1-9-year-olds with active trachoma, and a systematic selection of 1-9-year-olds without active trachoma. We collected dried blood spots (for anti-Pgp3 ELISA) from all 1-9-year-old children. We also examined 416 adults aged [greater than or equal to]15 years for TT. Prevalence of TF and TT was adjusted for age (TF) or age and gender (TT) in five-year age bands. Results The age-adjusted prevalence of TF in 1-9-year-olds was 28% (95% confidence interval [CI]: 24-35). The age- and gender-adjusted prevalence of TT in those aged [greater than or equal to]15 years was 0.2% (95% CI: 0.1-0.3%). Twenty-six (13.5%) of 193 swabs from children without active trachoma, and 58 (49.2%) of 118 swabs from children with active trachoma were positive for Ct DNA. Two hundred and ten (53%) of 397 children had anti-Pgp3 antibodies. Both infection (p<0.0001) and seropositivity (p<0.0001) were strongly associated with active trachoma. In 1-9-year-olds, the prevalence of anti-Pgp3 antibodies rose steeply with age. Conclusion Trachoma presents a public health problem on Kiritimati, where the high prevalence of ocular Ct infection and rapid increase in seropositivity with age suggest intense Ct transmission amongst young children. Interventions are required here to prevent future blindness.
In some Pacific Island countries, such as Solomon Islands and Fiji, active trachoma is common, but ocular Chlamydia trachomatis (Ct) infection and trachomatous trichiasis (TT) are rare. On Tarawa, the most populous Kiribati island, both the active trachoma sign "trachomatous inflammation-follicular" (TF) and TT are present at prevalences warranting intervention. We sought to estimate prevalences of TF, TT, ocular Ct infection, and anti-Ct antibodies on Kiritimati Island, Kiribati, to assess local relationships between these parameters, and to help determine the need for interventions against trachoma on Kiribati islands other than Tarawa. As part of the Global Trachoma Mapping Project (GTMP), on Kiritimati, we examined 406 children aged 1-9 years for active trachoma. We collected conjunctival swabs (for droplet digital PCR against Ct plasmid targets) from 1-9-year-olds with active trachoma, and a systematic selection of 1-9-year-olds without active trachoma. We collected dried blood spots (for anti-Pgp3 ELISA) from all 1-9-year-old children. We also examined 416 adults aged [greater than or equal to]15 years for TT. Prevalence of TF and TT was adjusted for age (TF) or age and gender (TT) in five-year age bands. The age-adjusted prevalence of TF in 1-9-year-olds was 28% (95% confidence interval [CI]: 24-35). The age- and gender-adjusted prevalence of TT in those aged [greater than or equal to]15 years was 0.2% (95% CI: 0.1-0.3%). Twenty-six (13.5%) of 193 swabs from children without active trachoma, and 58 (49.2%) of 118 swabs from children with active trachoma were positive for Ct DNA. Two hundred and ten (53%) of 397 children had anti-Pgp3 antibodies. Both infection (p<0.0001) and seropositivity (p<0.0001) were strongly associated with active trachoma. In 1-9-year-olds, the prevalence of anti-Pgp3 antibodies rose steeply with age. Trachoma presents a public health problem on Kiritimati, where the high prevalence of ocular Ct infection and rapid increase in seropositivity with age suggest intense Ct transmission amongst young children. Interventions are required here to prevent future blindness.
In some Pacific Island countries, such as Solomon Islands and Fiji, active trachoma is common, but ocular Chlamydia trachomatis (Ct) infection and trachomatous trichiasis (TT) are rare. On Tarawa, the most populous Kiribati island, both the active trachoma sign "trachomatous inflammation-follicular" (TF) and TT are present at prevalences warranting intervention. We sought to estimate prevalences of TF, TT, ocular Ct infection, and anti-Ct antibodies on Kiritimati Island, Kiribati, to assess local relationships between these parameters, and to help determine the need for interventions against trachoma on Kiribati islands other than Tarawa.As part of the Global Trachoma Mapping Project (GTMP), on Kiritimati, we examined 406 children aged 1-9 years for active trachoma. We collected conjunctival swabs (for droplet digital PCR against Ct plasmid targets) from 1-9-year-olds with active trachoma, and a systematic selection of 1-9-year-olds without active trachoma. We collected dried blood spots (for anti-Pgp3 ELISA) from all 1-9-year-old children. We also examined 416 adults aged ≥15 years for TT. Prevalence of TF and TT was adjusted for age (TF) or age and gender (TT) in five-year age bands.The age-adjusted prevalence of TF in 1-9-year-olds was 28% (95% confidence interval [CI]: 24-35). The age- and gender-adjusted prevalence of TT in those aged ≥15 years was 0.2% (95% CI: 0.1-0.3%). Twenty-six (13.5%) of 193 swabs from children without active trachoma, and 58 (49.2%) of 118 swabs from children with active trachoma were positive for Ct DNA. Two hundred and ten (53%) of 397 children had anti-Pgp3 antibodies. Both infection (p<0.0001) and seropositivity (p<0.0001) were strongly associated with active trachoma. In 1-9-year-olds, the prevalence of anti-Pgp3 antibodies rose steeply with age.Trachoma presents a public health problem on Kiritimati, where the high prevalence of ocular Ct infection and rapid increase in seropositivity with age suggest intense Ct transmission amongst young children. Interventions are required here to prevent future blindness.
In some Pacific Island countries, such as Solomon Islands and Fiji, active trachoma is common, but ocular Chlamydia trachomatis (Ct) infection and trachomatous trichiasis (TT) are rare. On Tarawa, the most populous Kiribati island, both the active trachoma sign "trachomatous inflammation-follicular" (TF) and TT are present at prevalences warranting intervention. We sought to estimate prevalences of TF, TT, ocular Ct infection, and anti-Ct antibodies on Kiritimati Island, Kiribati, to assess local relationships between these parameters, and to help determine the need for interventions against trachoma on Kiribati islands other than Tarawa. As part of the Global Trachoma Mapping Project (GTMP), on Kiritimati, we examined 406 children aged 1-9 years for active trachoma. We collected conjunctival swabs (for droplet digital PCR against Ct plasmid targets) from 1-9-year-olds with active trachoma, and a systematic selection of 1-9-year-olds without active trachoma. We collected dried blood spots (for anti-Pgp3 ELISA) from all 1-9-year-old children. We also examined 416 adults aged ≥15 years for TT. Prevalence of TF and TT was adjusted for age (TF) or age and gender (TT) in five-year age bands. The age-adjusted prevalence of TF in 1-9-year-olds was 28% (95% confidence interval [CI]: 24-35). The age- and gender-adjusted prevalence of TT in those aged ≥15 years was 0.2% (95% CI: 0.1-0.3%). Twenty-six (13.5%) of 193 swabs from children without active trachoma, and 58 (49.2%) of 118 swabs from children with active trachoma were positive for Ct DNA. Two hundred and ten (53%) of 397 children had anti-Pgp3 antibodies. Both infection (p<0.0001) and seropositivity (p<0.0001) were strongly associated with active trachoma. In 1-9-year-olds, the prevalence of anti-Pgp3 antibodies rose steeply with age. Trachoma presents a public health problem on Kiritimati, where the high prevalence of ocular Ct infection and rapid increase in seropositivity with age suggest intense Ct transmission amongst young children. Interventions are required here to prevent future blindness.
Audience Academic
Author Kiauea, Tokoriri
Alexander, Neal D E
Solomon, Anthony W
Butcher, Robert M R
Pickering, Harry
Migchelsen, Stephanie J
Cama, Anaseini
Taoaba, Raebwebwe
Itibita, Iakoba
Le Mesurier, Richard T
Bakhtiari, Ana
Müller, Andreas
Martin, Diana L
Tekeraoi, Rabebe
Roberts, Chrissy H
Willis, Rebecca
AuthorAffiliation RTI International, UNITED STATES
3 Centre for Eye Research, University of Melbourne, Melbourne, Australia
10 Department of Control of Neglected Tropical Diseases, World Health Organization, Geneva, Switzerland
2 The Fred Hollows Foundation, Sydney, Australia
8 MRC Tropical Epidemiology Group, Infectious Disease Epidemiology Department, London School of Hygiene & Tropical Medicine, London, United Kingdom
1 International Agency for the Prevention of Blindness, Western Pacific Region, Suva, Fiji
5 Clinical Research Department, London School of Hygiene & Tropical Medicine, London, United Kingdom
7 International Trachoma Initiative, Task Force for Global Health, Decatur, Georgia, United States of America
9 Division of Parasitic Diseases and Malaria, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
4 Eye Department, Ministry of Health and Medical Services, South Tarawa, Kiribati
6 Kiritimati Hospital, London, Kiritimati Island, Kiribati
AuthorAffiliation_xml – name: 4 Eye Department, Ministry of Health and Medical Services, South Tarawa, Kiribati
– name: 1 International Agency for the Prevention of Blindness, Western Pacific Region, Suva, Fiji
– name: 2 The Fred Hollows Foundation, Sydney, Australia
– name: 3 Centre for Eye Research, University of Melbourne, Melbourne, Australia
– name: 5 Clinical Research Department, London School of Hygiene & Tropical Medicine, London, United Kingdom
– name: 7 International Trachoma Initiative, Task Force for Global Health, Decatur, Georgia, United States of America
– name: RTI International, UNITED STATES
– name: 6 Kiritimati Hospital, London, Kiritimati Island, Kiribati
– name: 10 Department of Control of Neglected Tropical Diseases, World Health Organization, Geneva, Switzerland
– name: 8 MRC Tropical Epidemiology Group, Infectious Disease Epidemiology Department, London School of Hygiene & Tropical Medicine, London, United Kingdom
– name: 9 Division of Parasitic Diseases and Malaria, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
Author_xml – sequence: 1
  givenname: Anaseini
  surname: Cama
  fullname: Cama, Anaseini
  organization: The Fred Hollows Foundation, Sydney, Australia
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  givenname: Andreas
  surname: Müller
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  organization: Centre for Eye Research, University of Melbourne, Melbourne, Australia
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  fullname: Taoaba, Raebwebwe
  organization: Eye Department, Ministry of Health and Medical Services, South Tarawa, Kiribati
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  givenname: Robert M R
  orcidid: 0000-0003-0435-2655
  surname: Butcher
  fullname: Butcher, Robert M R
  organization: Clinical Research Department, London School of Hygiene & Tropical Medicine, London, United Kingdom
– sequence: 5
  givenname: Iakoba
  surname: Itibita
  fullname: Itibita, Iakoba
  organization: Kiritimati Hospital, London, Kiritimati Island, Kiribati
– sequence: 6
  givenname: Stephanie J
  surname: Migchelsen
  fullname: Migchelsen, Stephanie J
  organization: Clinical Research Department, London School of Hygiene & Tropical Medicine, London, United Kingdom
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  givenname: Tokoriri
  surname: Kiauea
  fullname: Kiauea, Tokoriri
  organization: Kiritimati Hospital, London, Kiritimati Island, Kiribati
– sequence: 8
  givenname: Harry
  surname: Pickering
  fullname: Pickering, Harry
  organization: Clinical Research Department, London School of Hygiene & Tropical Medicine, London, United Kingdom
– sequence: 9
  givenname: Rebecca
  surname: Willis
  fullname: Willis, Rebecca
  organization: International Trachoma Initiative, Task Force for Global Health, Decatur, Georgia, United States of America
– sequence: 10
  givenname: Chrissy H
  surname: Roberts
  fullname: Roberts, Chrissy H
  organization: Clinical Research Department, London School of Hygiene & Tropical Medicine, London, United Kingdom
– sequence: 11
  givenname: Ana
  surname: Bakhtiari
  fullname: Bakhtiari, Ana
  organization: International Trachoma Initiative, Task Force for Global Health, Decatur, Georgia, United States of America
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  givenname: Richard T
  surname: Le Mesurier
  fullname: Le Mesurier, Richard T
  organization: The Fred Hollows Foundation, Sydney, Australia
– sequence: 13
  givenname: Neal D E
  surname: Alexander
  fullname: Alexander, Neal D E
  organization: MRC Tropical Epidemiology Group, Infectious Disease Epidemiology Department, London School of Hygiene & Tropical Medicine, London, United Kingdom
– sequence: 14
  givenname: Diana L
  surname: Martin
  fullname: Martin, Diana L
  organization: Division of Parasitic Diseases and Malaria, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
– sequence: 15
  givenname: Rabebe
  surname: Tekeraoi
  fullname: Tekeraoi, Rabebe
  organization: Eye Department, Ministry of Health and Medical Services, South Tarawa, Kiribati
– sequence: 16
  givenname: Anthony W
  surname: Solomon
  fullname: Solomon, Anthony W
  organization: Department of Control of Neglected Tropical Diseases, World Health Organization, Geneva, Switzerland
BackLink https://www.ncbi.nlm.nih.gov/pubmed/28898240$$D View this record in MEDLINE/PubMed
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ContentType Journal Article
Copyright COPYRIGHT 2017 Public Library of Science
2017 Public Library of Science. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited: infection and antibodies to Pgp3 in residents of Kiritimati Island, Kiribati. PLoS Negl Trop Dis11(9): e0005863. https://doi.org/10.1371/journal.pntd.0005863
2017
2017 Public Library of Science. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited: infection and antibodies to Pgp3 in residents of Kiritimati Island, Kiribati. PLoS Negl Trop Dis11(9): e0005863. https://doi.org/10.1371/journal.pntd.0005863
Copyright_xml – notice: COPYRIGHT 2017 Public Library of Science
– notice: 2017 Public Library of Science. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited: infection and antibodies to Pgp3 in residents of Kiritimati Island, Kiribati. PLoS Negl Trop Dis11(9): e0005863. https://doi.org/10.1371/journal.pntd.0005863
– notice: 2017
– notice: 2017 Public Library of Science. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited: infection and antibodies to Pgp3 in residents of Kiritimati Island, Kiribati. PLoS Negl Trop Dis11(9): e0005863. https://doi.org/10.1371/journal.pntd.0005863
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Membership of The Global Trachoma Mapping Project is provided in the Acknowledgments.
AC and RTLM of the Fred Hollows Foundation were personally involved in the study, as indicated in the statement of authors’ contributions; otherwise, funders had no role in project design, in project implementation or analysis or interpretation of data, in the decisions on where, how or when to publish in the peer reviewed press, or in preparation of the manuscript.
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Snippet In some Pacific Island countries, such as Solomon Islands and Fiji, active trachoma is common, but ocular Chlamydia trachomatis (Ct) infection and trachomatous...
Objective In some Pacific Island countries, such as Solomon Islands and Fiji, active trachoma is common, but ocular Chlamydia trachomatis (Ct) infection and...
OBJECTIVEIn some Pacific Island countries, such as Solomon Islands and Fiji, active trachoma is common, but ocular Chlamydia trachomatis (Ct) infection and...
Ocular infection with Chlamydia trachomatis causes trachoma. It is the leading infectious cause of blindness, and the target of an international campaign for...
Objective In some Pacific Island countries, such as Solomon Islands and Fiji, active trachoma is common, but ocular Chlamydia trachomatis (Ct) infection and...
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SubjectTerms Adults
Age
Antibiotics
Antibodies
Antibodies, Bacterial - blood
Antigens, Bacterial - immunology
Bacteria
Bacterial Proteins - immunology
Biology and Life Sciences
Blindness
Blood
Child
Child, Preschool
Children
Chlamydia
Chlamydia infections
Chlamydia trachomatis
Confidence intervals
Countries
Deoxyribonucleic acid
Diagnosis
Disease
Disease prevention
Distribution
DNA
Earth Sciences
ELISA
Enzyme-Linked Immunosorbent Assay
Epidemiology
Gender
Humans
Hygiene
Immunoglobulins
Infant
Infections
Islands
Medicine
Medicine and Health Sciences
Micronesia - epidemiology
Nucleotide sequence
PCR
People and Places
Plasmids
Population
Prevalence
Properties
Public health
Research and Analysis Methods
Risk factors
Sexually transmitted diseases
Spots
STD
Supervision
Task forces
Trachoma
Trachoma - complications
Trachoma - epidemiology
Trachoma - microbiology
Transmission
Trichiasis - etiology
Tropical diseases
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Title Prevalence of signs of trachoma, ocular Chlamydia trachomatis infection and antibodies to Pgp3 in residents of Kiritimati Island, Kiribati
URI https://www.ncbi.nlm.nih.gov/pubmed/28898240
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http://dx.doi.org/10.1371/journal.pntd.0005863
Volume 11
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