Household Transmission of Vibrio cholerae in Bangladesh
Publication Date
November 20, 2014
Journal
PLOS Neglected Tropical Diseases
Authors
Jonathan D. Sugimoto, Amanda A. Koepke, Eben E. Kenah, M. Elizabeth Halloran, et al
Volume
8
Issue
11
Pages
e3314
DOI
https://dx.plos.org/10.1371/journal.pntd.0003314
Publisher URL
http://journals.plos.org/plosntds/article?id=10.1371%2Fjournal.pntd.0003314
PubMed
http://www.ncbi.nlm.nih.gov/pubmed/25411971
PubMed Central
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4238997
Europe PMC
http://europepmc.org/abstract/MED/25411971
Web of Science
000345514000041
Scopus
84920384720
Mendeley
http://www.mendeley.com/research/household-transmission-vibrio-cholerae-bangladesh
Events
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Mendeley | Further Information

{"title"=>"Household Transmission of Vibrio cholerae in Bangladesh", "type"=>"journal", "authors"=>[{"first_name"=>"Jonathan D.", "last_name"=>"Sugimoto", "scopus_author_id"=>"56442192100"}, {"first_name"=>"Amanda A.", "last_name"=>"Koepke", "scopus_author_id"=>"56469559200"}, {"first_name"=>"Eben E.", "last_name"=>"Kenah", "scopus_author_id"=>"22135058600"}, {"first_name"=>"M. Elizabeth", "last_name"=>"Halloran", "scopus_author_id"=>"7006382777"}, {"first_name"=>"Fahima", "last_name"=>"Chowdhury", "scopus_author_id"=>"8604575600"}, {"first_name"=>"Ashraful I.", "last_name"=>"Khan", "scopus_author_id"=>"7404910482"}, {"first_name"=>"Regina C.", "last_name"=>"LaRocque", "scopus_author_id"=>"9236671800"}, {"first_name"=>"Yang", "last_name"=>"Yang", "scopus_author_id"=>"56151218700"}, {"first_name"=>"Edward T.", "last_name"=>"Ryan", "scopus_author_id"=>"7201794159"}, {"first_name"=>"Firdausi", "last_name"=>"Qadri", "scopus_author_id"=>"7005341667"}, {"first_name"=>"Stephen B.", "last_name"=>"Calderwood", "scopus_author_id"=>"54790510600"}, {"first_name"=>"Jason B.", "last_name"=>"Harris", "scopus_author_id"=>"35242330300"}, {"first_name"=>"Ira M.", "last_name"=>"Longini", "scopus_author_id"=>"26643585800"}], "year"=>2014, "source"=>"PLoS Neglected Tropical Diseases", "identifiers"=>{"issn"=>"19352735", "pui"=>"601112715", "doi"=>"10.1371/journal.pntd.0003314", "sgr"=>"84920384720", "scopus"=>"2-s2.0-84920384720", "isbn"=>"10.1371/journal.pntd.0003314", "pmid"=>"25411971"}, "id"=>"0cb239cd-d002-3ddb-b299-5ba65a43c8d4", "abstract"=>"BACKGROUND: Vibrio cholerae infections cluster in households. This study's objective was to quantify the relative contribution of direct, within-household exposure (for example, via contamination of household food, water, or surfaces) to endemic cholera transmission. Quantifying the relative contribution of direct exposure is important for planning effective prevention and control measures.\\n\\nMETHODOLOGY/PRINCIPAL FINDINGS: Symptom histories and multiple blood and fecal specimens were prospectively collected from household members of hospital-ascertained cholera cases in Bangladesh from 2001-2006. We estimated the probabilities of cholera transmission through 1) direct exposure within the household and 2) contact with community-based sources of infection. The natural history of cholera infection and covariate effects on transmission were considered. Significant direct transmission (p-value<0.0001) occurred among 1414 members of 364 households. Fecal shedding of O1 El Tor Ogawa was associated with a 4.9% (95% confidence interval: 0.9%-22.8%) risk of infection among household contacts through direct exposure during an 11-day infectious period (mean length). The estimated 11-day risk of O1 El Tor Ogawa infection through exposure to community-based sources was 2.5% (0.8%-8.0%). The corresponding estimated risks for O1 El Tor Inaba and O139 infection were 3.7% (0.7%-16.6%) and 8.2% (2.1%-27.1%) through direct exposure, and 3.4% (1.7%-6.7%) and 2.0% (0.5%-7.3%) through community-based exposure. Children under 5 years-old were at elevated risk of infection. Limitations of the study may have led to an underestimation of the true risk of cholera infection. For instance, available covariate data may have incompletely characterized levels of pre-existing immunity to cholera infection. Transmission via direct exposure occurring outside of the household was not considered.\\n\\nCONCLUSIONS: Direct exposure contributes substantially to endemic transmission of symptomatic cholera in an urban setting. We provide the first estimate of the transmissibility of endemic cholera within prospectively-followed members of households. The role of direct transmission must be considered when planning cholera control activities.", "link"=>"http://www.mendeley.com/research/household-transmission-vibrio-cholerae-bangladesh", "reader_count"=>41, "reader_count_by_academic_status"=>{"Unspecified"=>2, "Professor > Associate Professor"=>1, "Researcher"=>10, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>6, "Student > Postgraduate"=>3, "Student > Master"=>7, "Other"=>3, "Student > Bachelor"=>4, "Lecturer"=>1, "Professor"=>2}, "reader_count_by_user_role"=>{"Unspecified"=>2, "Professor > Associate Professor"=>1, "Researcher"=>10, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>6, "Student > Postgraduate"=>3, "Student > Master"=>7, "Other"=>3, "Student > Bachelor"=>4, "Lecturer"=>1, "Professor"=>2}, "reader_count_by_subject_area"=>{"Unspecified"=>4, "Engineering"=>1, "Environmental Science"=>2, "Biochemistry, Genetics and Molecular Biology"=>2, "Nursing and Health Professions"=>2, "Mathematics"=>1, "Agricultural and Biological Sciences"=>12, "Medicine and Dentistry"=>15, "Psychology"=>1, "Immunology and Microbiology"=>1}, "reader_count_by_subdiscipline"=>{"Engineering"=>{"Engineering"=>1}, "Medicine and Dentistry"=>{"Medicine and Dentistry"=>15}, "Psychology"=>{"Psychology"=>1}, "Immunology and Microbiology"=>{"Immunology and Microbiology"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>12}, "Nursing and Health Professions"=>{"Nursing and Health Professions"=>2}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>2}, "Mathematics"=>{"Mathematics"=>1}, "Unspecified"=>{"Unspecified"=>4}, "Environmental Science"=>{"Environmental Science"=>2}}, "reader_count_by_country"=>{"United States"=>1}, "group_count"=>1}

Scopus | Further Information

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/1803041"], "description"=>"<p>Covariate effects estimated by the univariate and multivariate transmission models.</p>", "links"=>[], "tags"=>["O 139 infection", "cholera infection", "planning cholera control activities", "Bangladesh BackgroundVibrio cholerae infections cluster", "O 1 El Tor Ogawa", "O 1 El Tor Inaba", "cholera transmission", "household", "O 1 El Tor Ogawa infection", "exposure"], "article_id"=>1248457, "categories"=>["Biological Sciences"], "users"=>["Jonathan D. Sugimoto", "Amanda A. Koepke", "Eben E. Kenah", "M. Elizabeth Halloran", "Fahima Chowdhury", "Ashraful I. Khan", "Regina C. LaRocque", "Yang Yang", "Edward T. Ryan", "Firdausi Qadri", "Stephen B. Calderwood", "Jason B. Harris", "Ira M. Longini Jr."], "doi"=>"https://dx.doi.org/10.1371/journal.pntd.0003314.t002", "stats"=>{"downloads"=>0, "page_views"=>7, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Covariate_effects_estimated_by_the_univariate_and_multivariate_transmission_models_/1248457", "title"=>"Covariate effects estimated by the univariate and multivariate transmission models.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2014-11-20 05:46:55"}
  • {"files"=>["https://ndownloader.figshare.com/files/1803039"], "description"=>"<p>Primary symptomatic cholera cases are defined as enrolled household members meeting the case definition for a symptomatic cholera case and whose symptom onset date was on or before that of the household's index infection. All other symptomatic cholera cases are classified as non-primary. The horizontal line represents the interquartile range (25<sup>th</sup> through the 75<sup>th</sup> percentile), with the median denoted by the vertical crossbar.</p>", "links"=>[], "tags"=>["O 139 infection", "cholera infection", "planning cholera control activities", "Bangladesh BackgroundVibrio cholerae infections cluster", "O 1 El Tor Ogawa", "O 1 El Tor Inaba", "cholera transmission", "household", "O 1 El Tor Ogawa infection", "exposure"], "article_id"=>1248455, "categories"=>["Biological Sciences"], "users"=>["Jonathan D. Sugimoto", "Amanda A. Koepke", "Eben E. Kenah", "M. Elizabeth Halloran", "Fahima Chowdhury", "Ashraful I. Khan", "Regina C. LaRocque", "Yang Yang", "Edward T. Ryan", "Firdausi Qadri", "Stephen B. Calderwood", "Jason B. Harris", "Ira M. Longini Jr."], "doi"=>"https://dx.doi.org/10.1371/journal.pntd.0003314.g003", "stats"=>{"downloads"=>0, "page_views"=>9, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_The_number_of_days_between_the_illness_onset_dates_of_household_primary_and_non_primary_symptomatic_Vibrio_cholerae_cases_all_serogroup_serotypes_/1248455", "title"=>"The number of days between the illness onset dates of household primary and non-primary symptomatic <i>Vibrio cholerae</i> cases (all serogroup-serotypes).", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-11-20 05:46:55"}
  • {"files"=>["https://ndownloader.figshare.com/files/1803040"], "description"=>"<p><i>Footnotes</i></p><p>N (%), Number of individuals (percentage of the column total in the first row); NA, Not applicable; SD, Standard deviation.</p>a<p>Excluded because one or more members did not have vibriocidal antibody titer measurements. This does not include the 24 households that were excluded for having only one member.</p>b<p>Defined as the base-ten logarithm of the vibriocidal antibody titer of the initial serum specimen collected on day 2 of the household observation period. For one individual, the serum specimen collected on day 4 was used due to a missing measurement for day 2.</p><p>Descriptive statistics for the study population.</p>", "links"=>[], "tags"=>["O 139 infection", "cholera infection", "planning cholera control activities", "Bangladesh BackgroundVibrio cholerae infections cluster", "O 1 El Tor Ogawa", "O 1 El Tor Inaba", "cholera transmission", "household", "O 1 El Tor Ogawa infection", "exposure"], "article_id"=>1248456, "categories"=>["Biological Sciences"], "users"=>["Jonathan D. Sugimoto", "Amanda A. Koepke", "Eben E. Kenah", "M. Elizabeth Halloran", "Fahima Chowdhury", "Ashraful I. Khan", "Regina C. LaRocque", "Yang Yang", "Edward T. Ryan", "Firdausi Qadri", "Stephen B. Calderwood", "Jason B. Harris", "Ira M. Longini Jr."], "doi"=>"https://dx.doi.org/10.1371/journal.pntd.0003314.t001", "stats"=>{"downloads"=>0, "page_views"=>9, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Descriptive_statistics_for_the_study_population_/1248456", "title"=>"Descriptive statistics for the study population.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2014-11-20 05:46:55"}
  • {"files"=>["https://ndownloader.figshare.com/files/1803038"], "description"=>"<p>The probability represents the daily risk that a susceptible contact (hollow figure) will subsequently develop cholera infection by serogroup-serotype <i>v</i> after exposure to household surfaces or water/food supplies contaminated by a member infected with and shedding <i>v</i> (black figure). The probability represents the susceptible contact's daily risk of cholera infection resulting from exposure to sources of infection located outside of his/her household. The corresponding epidemiologic summary measures for and are the household secondary attack rate, or , and the community probability of infection, or (see the text for parameter definitions).</p>", "links"=>[], "tags"=>["O 139 infection", "cholera infection", "planning cholera control activities", "Bangladesh BackgroundVibrio cholerae infections cluster", "O 1 El Tor Ogawa", "O 1 El Tor Inaba", "cholera transmission", "household", "O 1 El Tor Ogawa infection", "exposure"], "article_id"=>1248454, "categories"=>["Biological Sciences"], "users"=>["Jonathan D. Sugimoto", "Amanda A. Koepke", "Eben E. Kenah", "M. Elizabeth Halloran", "Fahima Chowdhury", "Ashraful I. Khan", "Regina C. LaRocque", "Yang Yang", "Edward T. Ryan", "Firdausi Qadri", "Stephen B. Calderwood", "Jason B. Harris", "Ira M. Longini Jr."], "doi"=>"https://dx.doi.org/10.1371/journal.pntd.0003314.g002", "stats"=>{"downloads"=>0, "page_views"=>11, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Schematic_illustration_of_the_transmission_model_/1248454", "title"=>"Schematic illustration of the transmission model.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-11-20 05:46:55"}
  • {"files"=>["https://ndownloader.figshare.com/files/1803042", "https://ndownloader.figshare.com/files/1803043"], "description"=>"<div><p>Background</p><p><i>Vibrio cholerae</i> infections cluster in households. This study's objective was to quantify the relative contribution of direct, within-household exposure (for example, via contamination of household food, water, or surfaces) to endemic cholera transmission. Quantifying the relative contribution of direct exposure is important for planning effective prevention and control measures.</p><p>Methodology/Principal Findings</p><p>Symptom histories and multiple blood and fecal specimens were prospectively collected from household members of hospital-ascertained cholera cases in Bangladesh from 2001–2006. We estimated the probabilities of cholera transmission through 1) direct exposure within the household and 2) contact with community-based sources of infection. The natural history of cholera infection and covariate effects on transmission were considered. Significant direct transmission (p-value<0.0001) occurred among 1414 members of 364 households. Fecal shedding of O1 El Tor Ogawa was associated with a 4.9% (95% confidence interval: 0.9%–22.8%) risk of infection among household contacts through direct exposure during an 11-day infectious period (mean length). The estimated 11-day risk of O1 El Tor Ogawa infection through exposure to community-based sources was 2.5% (0.8%–8.0%). The corresponding estimated risks for O1 El Tor Inaba and O139 infection were 3.7% (0.7%–16.6%) and 8.2% (2.1%–27.1%) through direct exposure, and 3.4% (1.7%–6.7%) and 2.0% (0.5%–7.3%) through community-based exposure. Children under 5 years-old were at elevated risk of infection. Limitations of the study may have led to an underestimation of the true risk of cholera infection. For instance, available covariate data may have incompletely characterized levels of pre-existing immunity to cholera infection. Transmission via direct exposure occurring outside of the household was not considered.</p><p>Conclusions</p><p>Direct exposure contributes substantially to endemic transmission of symptomatic cholera in an urban setting. We provide the first estimate of the transmissibility of endemic cholera within prospectively-followed members of households. The role of direct transmission must be considered when planning cholera control activities.</p></div>", "links"=>[], "tags"=>["O 139 infection", "cholera infection", "planning cholera control activities", "Bangladesh BackgroundVibrio cholerae infections cluster", "O 1 El Tor Ogawa", "O 1 El Tor Inaba", "cholera transmission", "household", "O 1 El Tor Ogawa infection", "exposure"], "article_id"=>1248458, "categories"=>["Biological Sciences"], "users"=>["Jonathan D. Sugimoto", "Amanda A. Koepke", "Eben E. Kenah", "M. Elizabeth Halloran", "Fahima Chowdhury", "Ashraful I. Khan", "Regina C. LaRocque", "Yang Yang", "Edward T. Ryan", "Firdausi Qadri", "Stephen B. Calderwood", "Jason B. Harris", "Ira M. Longini Jr."], "doi"=>["https://dx.doi.org/10.1371/journal.pntd.0003314.s001", "https://dx.doi.org/10.1371/journal.pntd.0003314.s002"], "stats"=>{"downloads"=>0, "page_views"=>9, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Household_Transmission_of_Vibrio_cholerae_in_Bangladesh/1248458", "title"=>"Household Transmission of <i>Vibrio cholerae</i> in Bangladesh", "pos_in_sequence"=>0, "defined_type"=>4, "published_date"=>"2014-11-20 05:46:55"}
  • {"files"=>["https://ndownloader.figshare.com/files/1803037"], "description"=>"<p>The “*” denotes the day on which stool/rectal swab specimens were only collected from the index cholera infections.</p>", "links"=>[], "tags"=>["O 139 infection", "cholera infection", "planning cholera control activities", "Bangladesh BackgroundVibrio cholerae infections cluster", "O 1 El Tor Ogawa", "O 1 El Tor Inaba", "cholera transmission", "household", "O 1 El Tor Ogawa infection", "exposure"], "article_id"=>1248453, "categories"=>["Biological Sciences"], "users"=>["Jonathan D. Sugimoto", "Amanda A. Koepke", "Eben E. Kenah", "M. Elizabeth Halloran", "Fahima Chowdhury", "Ashraful I. Khan", "Regina C. LaRocque", "Yang Yang", "Edward T. Ryan", "Firdausi Qadri", "Stephen B. Calderwood", "Jason B. Harris", "Ira M. Longini Jr."], "doi"=>"https://dx.doi.org/10.1371/journal.pntd.0003314.g001", "stats"=>{"downloads"=>0, "page_views"=>12, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Survey_data_and_specimen_collection_schedule_for_each_study_household_relative_to_the_enrollment_date_of_the_household_s_index_cholera_infection_study_day_1_/1248453", "title"=>"Survey data and specimen collection schedule for each study household, relative to the enrollment date of the household's index cholera infection (study day 1).", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-11-20 05:46:55"}

PMC Usage Stats | Further Information

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  • {"unique-ip"=>"11", "full-text"=>"18", "pdf"=>"3", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2017", "month"=>"12"}
  • {"unique-ip"=>"26", "full-text"=>"30", "pdf"=>"3", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"3", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"1"}
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  • {"unique-ip"=>"21", "full-text"=>"21", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"3"}
  • {"unique-ip"=>"33", "full-text"=>"35", "pdf"=>"2", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"1", "supp-data"=>"1", "cited-by"=>"0", "year"=>"2019", "month"=>"1"}
  • {"unique-ip"=>"22", "full-text"=>"22", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"1", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"4"}
  • {"unique-ip"=>"28", "full-text"=>"28", "pdf"=>"2", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"2", "cited-by"=>"0", "year"=>"2018", "month"=>"5"}
  • {"unique-ip"=>"19", "full-text"=>"14", "pdf"=>"8", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"6"}
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  • {"unique-ip"=>"21", "full-text"=>"23", "pdf"=>"2", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"1", "cited-by"=>"0", "year"=>"2018", "month"=>"9"}
  • {"unique-ip"=>"14", "full-text"=>"22", "pdf"=>"3", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"8"}
  • {"unique-ip"=>"28", "full-text"=>"33", "pdf"=>"4", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"3", "supp-data"=>"2", "cited-by"=>"0", "year"=>"2018", "month"=>"11"}
  • {"unique-ip"=>"27", "full-text"=>"28", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"10"}
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