{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T14:57:37Z","timestamp":1777388257159,"version":"3.51.4"},"reference-count":52,"publisher":"BMJ","issue":"6","funder":[{"name":"Foundation for Science and Technology"}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["J Clin Pathol"],"accepted":{"date-parts":[[2017,11,3]]},"published-print":{"date-parts":[[2018,6]]},"abstract":"<jats:sec>\n                    <jats:title>Aims<\/jats:title>\n                    <jats:p>\n                      <jats:italic>Streptococcus agalactiae,<\/jats:italic>\n                      commonly known as group B\n                      <jats:italic>Streptococcus<\/jats:italic>\n                      (GBS), has been recognised as a worldwide causative pathogenic agent of neonatal sepsis, meningitis and pneumonia. To better understand the behaviour of\n                      <jats:italic>S. agalactiae<\/jats:italic>\n                      in pregnant women from a hospital from the North of Portugal, retrospective analyses were performed to describe epidemiological, clinical and microbiological characteristics of the isolates obtained.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Based on laboratorial records and the hospital\u2019s patient files, a 6-year retrospective study was performed to analyse\n                      <jats:italic>S. agalactiae<\/jats:italic>\n                      isolates from screened pregnant women between 35 and 37 weeks of gestation and hospitalised neonates from pregnant women between 24 and 41 weeks of gestation admitted in Hospital Pedro Hispano. Serotype characterisation was also performed in 67 GBS strains.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      In 6692 pregnant women between 35 and 37 weeks of gestation screened between 2011 and 2016, a total of 1377\n                      <jats:italic>S. agalactiae<\/jats:italic>\n                      isolates (21%) were found. A high percentage (40%) of unknown colonisation status among hospitalised neonates from pregnant women between 24 and 41 weeks of gestations was also found. The incidence of neonatal sepsis was 8.7 (95% CI 7.0 to 10.8) cases per 1000 live births. Regarding serotype characterisation, serotype III (22.4%) was the most frequent, followed by serotype Ia (19.4%) and serotypes Ib and V (both with 17.9%).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>\n                      High epidemiological values of GBS colonisation and incidence were found in this study. In Portugal studies on the epidemiology and behaviour of\n                      <jats:italic>S. agalactiae<\/jats:italic>\n                      remain limited, reinforcing the importance and need for\n                      <jats:italic>S. agalactiae<\/jats:italic>\n                      screening across the country.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/jclinpath-2017-204646","type":"journal-article","created":{"date-parts":[[2017,11,27]],"date-time":"2017-11-27T12:10:43Z","timestamp":1511784643000},"page":"508-513","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":6,"title":["Incidence and serotype characterisation of\n                    <i>Streptococcus agalactiae<\/i>\n                    in a Portuguese hospital"],"prefix":"10.1136","volume":"71","author":[{"given":"Ana Mafalda","family":"Pinto","sequence":"first","affiliation":[{"name":"Department of Biology, Faculty of Sciences, University of Porto, Porto, Portugal"}]},{"given":"Tameg\u00e3o Aires","family":"Pereira","sequence":"additional","affiliation":[{"name":"Department of Women, Children and Youth, Pediatrics and Neonatology Service, Hospital Pedro Hispano, Matosinhos, Porto, Portugal"}]},{"given":"Valqu\u00edria","family":"Alves","sequence":"additional","affiliation":[{"name":"Department of MCDT, Clinical Pathology Service, Hospital Pedro Hispano, Matosinhos, Porto, Portugal"}]},{"given":"Ant\u00f3nio","family":"Ara\u00fajo","sequence":"additional","affiliation":[{"name":"Department of Microbiology, Biogerm, SA, Maia, Portugal"}]},{"given":"Olga Maria","family":"Lage","sequence":"additional","affiliation":[{"name":"Department of Biology, Faculty of Sciences, University of Porto, Porto, Portugal"},{"name":"CIMAR\/CIIMAR \u2013 Interdisciplinary Centre for Marine and Environmental Research, University of Porto, Porto, Portugal"}]}],"member":"239","published-online":{"date-parts":[[2017,11,27]]},"reference":[{"key":"2025121219331945000_71.6.508.1","doi-asserted-by":"publisher","DOI":"10.1016\/j.vaccine.2012.12.080"},{"key":"2025121219331945000_71.6.508.2","doi-asserted-by":"crossref","first-page":"253","DOI":"10.1590\/S1517-83822013005000030","article-title":"Phenotypic and genotypic characterization of Streptococcus agalactiae in pregnant women. 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