Evidence of Hepatitis A Virus Person-to-Person Transmission in Household Outbreaks
Publication Date
July 22, 2014
Journal
PLOS ONE
Authors
Lyana Rodrigues Lima, Adilson José De Almeida, Renata Dos Santos Tourinho, Bárbara Hasselmann, et al
Volume
9
Issue
7
Pages
e102925
DOI
https://dx.plos.org/10.1371/journal.pone.0102925
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0102925
PubMed
http://www.ncbi.nlm.nih.gov/pubmed/25050760
PubMed Central
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4106857
Europe PMC
http://europepmc.org/abstract/MED/25050760
Web of Science
000339551100068
Scopus
84904701715
Mendeley
http://www.mendeley.com/research/evidence-hepatitis-virus-persontoperson-transmission-household-outbreaks
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Mendeley | Further Information

{"title"=>"Evidence of hepatitis A virus person-to-person transmission in household outbreaks", "type"=>"journal", "authors"=>[{"first_name"=>"Lyana Rodrigues", "last_name"=>"Lima", "scopus_author_id"=>"56693894500"}, {"first_name"=>"Adilson José", "last_name"=>"De Almeida", "scopus_author_id"=>"56059098000"}, {"first_name"=>"Renata Dos Santos", "last_name"=>"Tourinho", "scopus_author_id"=>"57196122226"}, {"first_name"=>"Bárbara", "last_name"=>"Hasselmann", "scopus_author_id"=>"56287542300"}, {"first_name"=>"Lia Laura Lewis", "last_name"=>"Ximenez", "scopus_author_id"=>"56286747200"}, {"first_name"=>"Vanessa Salete", "last_name"=>"De Paula", "scopus_author_id"=>"6701481943"}], "year"=>2014, "source"=>"PLoS ONE", "identifiers"=>{"scopus"=>"2-s2.0-84904701715", "pmid"=>"25050760", "sgr"=>"84904701715", "doi"=>"10.1371/journal.pone.0102925", "issn"=>"19326203", "pui"=>"373596088"}, "id"=>"c3c12d79-6449-3b5d-ad40-4f6016867598", "abstract"=>"The person-to-person transmission of the hepatitis A virus primarily occurs in enclosed spaces, particularly in the presence of inadequate hygiene conditions and a high proportion of susceptible individuals. Thus, intimate family contact stands out as a risk factor for HAV infection dissemination. The present study aimed to evaluate the occurrence of household HAV transmission. Blood samples were collected from patients with hepatitis A (index cases) and their family members (contacts) that were referred to an ambulatory care clinic specializing in viral hepatitis. A total of 97 samples were collected from 30 families with a confirmed hepatitis A case (index case). Serological and molecular techniques for the diagnosis of hepatitis A were conducted on all samples. HAV infection (anti-HAV IgM + and/or HAV RNA +) was detected in 34.3% (23/67) of the contacts; 34.3% (23/67) of the contacts were immune to HAV, and 31.4% (21/67) were susceptible. In the household contacts, HAV immunity was significantly associated with older age; susceptibility to infection and HAV infection were associated with younger age. Household outbreaks were detected in 16/30 families studied. Co-circulation of subgenotypes IA and IB was found in the household outbreaks, and person-to-person transmission was evidenced in six of the household outbreaks, with 100% homology between the index case and contact strains. The results demonstrated the relevance of HAV household transmission, reaffirming the need for hepatitis A vaccine administration in susceptible contacts and effective infection control procedures to prevent the extension of household outbreaks.", "link"=>"http://www.mendeley.com/research/evidence-hepatitis-virus-persontoperson-transmission-household-outbreaks", "reader_count"=>14, "reader_count_by_academic_status"=>{"Unspecified"=>1, "Student > Doctoral Student"=>2, "Researcher"=>1, "Student > Ph. D. Student"=>3, "Student > Postgraduate"=>1, "Student > Master"=>3, "Other"=>1, "Student > Bachelor"=>2}, "reader_count_by_user_role"=>{"Unspecified"=>1, "Student > Doctoral Student"=>2, "Researcher"=>1, "Student > Ph. D. Student"=>3, "Student > Postgraduate"=>1, "Student > Master"=>3, "Other"=>1, "Student > Bachelor"=>2}, "reader_count_by_subject_area"=>{"Unspecified"=>2, "Biochemistry, Genetics and Molecular Biology"=>1, "Nursing and Health Professions"=>3, "Agricultural and Biological Sciences"=>2, "Medicine and Dentistry"=>5, "Chemistry"=>1}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>5}, "Chemistry"=>{"Chemistry"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>2}, "Nursing and Health Professions"=>{"Nursing and Health Professions"=>3}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>1}, "Unspecified"=>{"Unspecified"=>2}}, "group_count"=>0}

Scopus | Further Information

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Figshare

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