Large waterborne Campylobacter outbreak: use of multiple approaches to investigate contamination of the drinking water supply system, Norway, June 2019
On 6 June 2019, the Norwegian Institute of Public Health was notified of more than 50 cases of gastroenteritis in Askøy. A reservoir in a water supply system was suspected as the source of the outbreak because of the acute onset and geographical distribution of cases. We investigated the outbreak to...
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| Veröffentlicht in: | Euro surveillance : bulletin européen sur les maladies transmissibles 2020-09, Vol.25 (35) |
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| creator | Hyllestad, Susanne Iversen, Arild MacDonald, Emily Amato, Ettore Borge, Bengt Åge Sørby Bøe, Anton Sandvin, Aslaug Brandal, Lin T Lyngstad, Trude Marie Naseer, Umaer Nygård, Karin Veneti, Lamprini Vold, Line |
| description | On 6 June 2019, the Norwegian Institute of Public Health was notified of more than 50 cases of gastroenteritis in Askøy. A reservoir in a water supply system was suspected as the source of the outbreak because of the acute onset and geographical distribution of cases. We investigated the outbreak to confirm the source, extent of the outbreak and effect of control measures. A case was defined as a person in a household served by Water Supply System A (WSS-A) who had gastroenteritis for more than 24 h between 1 and 19 June 2019. We conducted pilot interviews, a telephone survey and an SMS-based cohort study of residents served by WSS-A. System information of WSS-A was collected. Whole genome sequencing on human and environmental isolates was performed. Among 6,108 individuals, 1,573 fulfilled the case definition. Residents served by the reservoir had a 4.6× higher risk of illness than others.
isolated from cases (n = 24) and water samples (n = 4) had identical core genome MLST profiles. Contamination through cracks in the reservoir most probably occurred during heavy rainfall. Water supply systems are susceptible to contamination, particularly to certain weather conditions. This highlights the importance of water safety planning and risk-based surveillance to mitigate risks. |
| doi_str_mv | 10.2807/1560-7917.ES.2020.25.35.2000011 |
| format | Article |
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isolated from cases (n = 24) and water samples (n = 4) had identical core genome MLST profiles. Contamination through cracks in the reservoir most probably occurred during heavy rainfall. Water supply systems are susceptible to contamination, particularly to certain weather conditions. This highlights the importance of water safety planning and risk-based surveillance to mitigate risks.</description><identifier>ISSN: 1560-7917</identifier><identifier>ISSN: 1025-496X</identifier><identifier>EISSN: 1560-7917</identifier><identifier>DOI: 10.2807/1560-7917.ES.2020.25.35.2000011</identifier><identifier>PMID: 32885779</identifier><language>eng</language><publisher>Sweden: Centre Europeen pour la Surveillance Epidemiologique du SIDA (European Centre for the Epidemiological Monitoring of AIDS)</publisher><subject>Abdominal Pain - etiology ; Bacteria ; Campylobacter Infections - diagnosis ; Campylobacter Infections - epidemiology ; Campylobacter jejuni - genetics ; Campylobacter jejuni - isolation & purification ; Child ; Child, Preschool ; Cohort Studies ; Contamination ; Diarrhea - etiology ; Disease Outbreaks - statistics & numerical data ; Drinking water ; Drinking Water - microbiology ; Female ; Gastroenteritis ; Gastroenteritis - epidemiology ; Headache - etiology ; Humans ; Incidence ; Male ; Multilocus Sequence Typing ; Norway - epidemiology ; Outbreaks ; Retrospective Studies ; Surveys and Questionnaires ; Water pollution ; Water Supply ; Whole Genome Sequencing</subject><ispartof>Euro surveillance : bulletin européen sur les maladies transmissibles, 2020-09, Vol.25 (35)</ispartof><rights>Copyright Centre Europeen pour la Surveillance Epidemiologique du SIDA (European Centre for the Epidemiological Monitoring of AIDS) Sep 3, 2020</rights><rights>info:eu-repo/semantics/openAccess</rights><rights>This article is copyright of the authors or their affiliated institutions, 2020. 2020 The authors or their affiliated institutions</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c493t-f92838025947ab46226911a9dbdd83d78bc8f9682af72f3d4de4c4f85e61bfce3</citedby><cites>FETCH-LOGICAL-c493t-f92838025947ab46226911a9dbdd83d78bc8f9682af72f3d4de4c4f85e61bfce3</cites><orcidid>0000-0002-4282-5380</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7472686/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7472686/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,26567,27924,27925,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32885779$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hyllestad, Susanne</creatorcontrib><creatorcontrib>Iversen, Arild</creatorcontrib><creatorcontrib>MacDonald, Emily</creatorcontrib><creatorcontrib>Amato, Ettore</creatorcontrib><creatorcontrib>Borge, Bengt Åge Sørby</creatorcontrib><creatorcontrib>Bøe, Anton</creatorcontrib><creatorcontrib>Sandvin, Aslaug</creatorcontrib><creatorcontrib>Brandal, Lin T</creatorcontrib><creatorcontrib>Lyngstad, Trude Marie</creatorcontrib><creatorcontrib>Naseer, Umaer</creatorcontrib><creatorcontrib>Nygård, Karin</creatorcontrib><creatorcontrib>Veneti, Lamprini</creatorcontrib><creatorcontrib>Vold, Line</creatorcontrib><title>Large waterborne Campylobacter outbreak: use of multiple approaches to investigate contamination of the drinking water supply system, Norway, June 2019</title><title>Euro surveillance : bulletin européen sur les maladies transmissibles</title><addtitle>Euro Surveill</addtitle><description>On 6 June 2019, the Norwegian Institute of Public Health was notified of more than 50 cases of gastroenteritis in Askøy. A reservoir in a water supply system was suspected as the source of the outbreak because of the acute onset and geographical distribution of cases. We investigated the outbreak to confirm the source, extent of the outbreak and effect of control measures. A case was defined as a person in a household served by Water Supply System A (WSS-A) who had gastroenteritis for more than 24 h between 1 and 19 June 2019. We conducted pilot interviews, a telephone survey and an SMS-based cohort study of residents served by WSS-A. System information of WSS-A was collected. Whole genome sequencing on human and environmental isolates was performed. Among 6,108 individuals, 1,573 fulfilled the case definition. Residents served by the reservoir had a 4.6× higher risk of illness than others.
isolated from cases (n = 24) and water samples (n = 4) had identical core genome MLST profiles. Contamination through cracks in the reservoir most probably occurred during heavy rainfall. Water supply systems are susceptible to contamination, particularly to certain weather conditions. This highlights the importance of water safety planning and risk-based surveillance to mitigate risks.</description><subject>Abdominal Pain - etiology</subject><subject>Bacteria</subject><subject>Campylobacter Infections - diagnosis</subject><subject>Campylobacter Infections - epidemiology</subject><subject>Campylobacter jejuni - genetics</subject><subject>Campylobacter jejuni - isolation & purification</subject><subject>Child</subject><subject>Child, Preschool</subject><subject>Cohort Studies</subject><subject>Contamination</subject><subject>Diarrhea - etiology</subject><subject>Disease Outbreaks - statistics & numerical data</subject><subject>Drinking water</subject><subject>Drinking Water - microbiology</subject><subject>Female</subject><subject>Gastroenteritis</subject><subject>Gastroenteritis - epidemiology</subject><subject>Headache - etiology</subject><subject>Humans</subject><subject>Incidence</subject><subject>Male</subject><subject>Multilocus Sequence Typing</subject><subject>Norway - epidemiology</subject><subject>Outbreaks</subject><subject>Retrospective Studies</subject><subject>Surveys and Questionnaires</subject><subject>Water pollution</subject><subject>Water Supply</subject><subject>Whole Genome Sequencing</subject><issn>1560-7917</issn><issn>1025-496X</issn><issn>1560-7917</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>3HK</sourceid><recordid>eNpVkctu1DAUhiMEoqXwCmCJBZvO1NfYZgFCo6GlGsGisLacxJlxm9ip7bTKk_C6OJrpqHjjo3P5zuUvik8ILrGA_AKxEi64RHy5vlliiLObLQnLZn4IvShOjxkvn9knxZsYbyGkBEr8ujghWAjGuTwt_m502BrwqJMJlQ_OgJXuh6nzla6zC_gxVcHou89gjAb4FvRjl-zQGaCHIXhd70wEyQPrHkxMdps5oPYu6d46nax3c03aGdAE6-6s2-5bgTgOQzeBOMVk-nPw04dHPZ2D6zFPgCGSb4tXre6ieXf4z4o_39e_V1eLza_LH6tvm0VNJUmLVmJBBMRMUq4rWmJcSoS0bKqmEaThoqpFK0uBdctxSxraGFrTVjBToqqtDTkrvuy5w1j1pqmNS0F3agi212FSXlv1f8TZndr6B8Upx6UoM-DDHlAHmw_glPNBKwQFw0owSnHO-HhoEfz9mK-kbv0YXN5KYcpKxDMG5ayvTxwfYzDtcQYE1ay9mtVUs5pqfaNm7RVmijB10D4T3j9f5Vj_JDb5B8VlrjY</recordid><startdate>20200903</startdate><enddate>20200903</enddate><creator>Hyllestad, Susanne</creator><creator>Iversen, Arild</creator><creator>MacDonald, Emily</creator><creator>Amato, Ettore</creator><creator>Borge, Bengt Åge Sørby</creator><creator>Bøe, Anton</creator><creator>Sandvin, Aslaug</creator><creator>Brandal, Lin T</creator><creator>Lyngstad, Trude Marie</creator><creator>Naseer, Umaer</creator><creator>Nygård, Karin</creator><creator>Veneti, Lamprini</creator><creator>Vold, Line</creator><general>Centre Europeen pour la Surveillance Epidemiologique du SIDA (European Centre for the Epidemiological Monitoring of AIDS)</general><general>European Centre for Disease Prevention and Control</general><general>European Centre for Disease Prevention and Control (ECDC)</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3HK</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-4282-5380</orcidid></search><sort><creationdate>20200903</creationdate><title>Large waterborne Campylobacter outbreak: use of multiple approaches to investigate contamination of the drinking water supply system, Norway, June 2019</title><author>Hyllestad, Susanne ; 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A reservoir in a water supply system was suspected as the source of the outbreak because of the acute onset and geographical distribution of cases. We investigated the outbreak to confirm the source, extent of the outbreak and effect of control measures. A case was defined as a person in a household served by Water Supply System A (WSS-A) who had gastroenteritis for more than 24 h between 1 and 19 June 2019. We conducted pilot interviews, a telephone survey and an SMS-based cohort study of residents served by WSS-A. System information of WSS-A was collected. Whole genome sequencing on human and environmental isolates was performed. Among 6,108 individuals, 1,573 fulfilled the case definition. Residents served by the reservoir had a 4.6× higher risk of illness than others.
isolated from cases (n = 24) and water samples (n = 4) had identical core genome MLST profiles. Contamination through cracks in the reservoir most probably occurred during heavy rainfall. Water supply systems are susceptible to contamination, particularly to certain weather conditions. This highlights the importance of water safety planning and risk-based surveillance to mitigate risks.</abstract><cop>Sweden</cop><pub>Centre Europeen pour la Surveillance Epidemiologique du SIDA (European Centre for the Epidemiological Monitoring of AIDS)</pub><pmid>32885779</pmid><doi>10.2807/1560-7917.ES.2020.25.35.2000011</doi><orcidid>https://orcid.org/0000-0002-4282-5380</orcidid><oa>free_for_read</oa></addata></record> |
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| source | Open Access: PubMed Central; MEDLINE; NORA - Norwegian Open Research Archives; DOAJ Directory of Open Access Journals; Free E-Journal (出版社公開部分のみ） |
| subjects | Abdominal Pain - etiology Bacteria Campylobacter Infections - diagnosis Campylobacter Infections - epidemiology Campylobacter jejuni - genetics Campylobacter jejuni - isolation & purification Child Child, Preschool Cohort Studies Contamination Diarrhea - etiology Disease Outbreaks - statistics & numerical data Drinking water Drinking Water - microbiology Female Gastroenteritis Gastroenteritis - epidemiology Headache - etiology Humans Incidence Male Multilocus Sequence Typing Norway - epidemiology Outbreaks Retrospective Studies Surveys and Questionnaires Water pollution Water Supply Whole Genome Sequencing |
| title | Large waterborne Campylobacter outbreak: use of multiple approaches to investigate contamination of the drinking water supply system, Norway, June 2019 |
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