{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,20]],"date-time":"2026-09-20T01:32:53Z","timestamp":1789867973788,"version":"4.0.1"},"reference-count":34,"publisher":"Oxford University Press (OUP)","issue":"Supplement_6","license":[{"start":{"date-parts":[[2019,10,30]],"date-time":"2019-10-30T00:00:00Z","timestamp":1572393600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000865","name":"Bill and Melinda Gates Foundation","doi-asserted-by":"publisher","award":["OPP1127988"],"award-info":[{"award-number":["OPP1127988"]}],"id":[{"id":"10.13039\/100000865","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000865","name":"Bill and Melinda Gates Foundation","doi-asserted-by":"publisher","award":["OPP1201031"],"award-info":[{"award-number":["OPP1201031"]}],"id":[{"id":"10.13039\/100000865","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,10,30]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Invasive salmonellosis is a common community-acquired bacteremia in persons residing in sub-Saharan Africa. However, there is a paucity of data on severe typhoid fever and its associated acute and chronic host immune response and carriage. The Severe Typhoid Fever in Africa (SETA) program, a multicountry surveillance study, aimed to address these research gaps and contribute to the control and prevention of invasive salmonellosis.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>A prospective healthcare facility\u2013based surveillance with active screening of enteric fever and clinically suspected severe typhoid fever with complications was performed using a standardized protocol across the study sites in Burkina Faso, the Democratic Republic of Congo (DRC), Ethiopia, Ghana, Madagascar, and Nigeria. Defined inclusion criteria were used for screening of eligible patients for enrollment into the study. Enrolled patients with confirmed invasive salmonellosis by blood culture or patients with clinically suspected severe typhoid fever with perforation were eligible for clinical follow-up. Asymptomatic neighborhood controls and immediate household contacts of each case were enrolled as a comparison group to assess the level of Salmonella-specific antibodies and shedding patterns. Healthcare utilization surveys were performed to permit adjustment of incidence estimations. Postmortem questionnaires were conducted in medically underserved areas to assess death attributed to invasive Salmonella infections in selected sites.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Research data generated through SETA aimed to address scientific knowledge gaps concerning the severe typhoid fever and mortality, long-term host immune responses, and bacterial shedding and carriage associated with natural infection by invasive salmonellae.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>SETA supports public health policy on typhoid immunization strategy in Africa.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/cid\/ciz715","type":"journal-article","created":{"date-parts":[[2019,9,10]],"date-time":"2019-09-10T03:24:46Z","timestamp":1568085886000},"page":"S422-S434","source":"Crossref","is-referenced-by-count":30,"title":["The Severe Typhoid Fever in Africa Program: Study Design and Methodology to Assess Disease Severity, Host Immunity, and Carriage Associated With Invasive Salmonellosis"],"prefix":"10.1093","volume":"69","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1632-3045","authenticated-orcid":false,"given":"Se Eun","family":"Park","sequence":"first","affiliation":[{"name":"International Vaccine Institute, Seoul National University Research Park, Republic of Korea"},{"name":"Oxford University Clinical Research Unit, Ho Chi Minh City, Vietnam"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Trevor","family":"Toy","sequence":"additional","affiliation":[{"name":"International Vaccine Institute, Seoul National University Research Park, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ligia Maria","family":"Cruz Espinoza","sequence":"additional","affiliation":[{"name":"International Vaccine Institute, Seoul National University Research Park, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ursula","family":"Panzner","sequence":"additional","affiliation":[{"name":"International Vaccine Institute, Seoul National University Research Park, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5133-3735","authenticated-orcid":false,"given":"Ondari D","family":"Mogeni","sequence":"additional","affiliation":[{"name":"International Vaccine Institute, Seoul National University Research Park, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Justin","family":"Im","sequence":"additional","affiliation":[{"name":"International Vaccine Institute, Seoul National University Research Park, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nimesh","family":"Poudyal","sequence":"additional","affiliation":[{"name":"International Vaccine Institute, Seoul National University Research Park, Republic of Korea"},{"name":"Department of Microbiology and Infectious Disease, B. 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Koirala Institute of Health Sciences, Dharan, Nepal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gi Deok","family":"Pak","sequence":"additional","affiliation":[{"name":"International Vaccine Institute, Seoul National University Research Park, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hyeongwon","family":"Seo","sequence":"additional","affiliation":[{"name":"International Vaccine Institute, Seoul National University Research Park, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yun","family":"Chon","sequence":"additional","affiliation":[{"name":"International Vaccine Institute, Seoul National University Research Park, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Heidi","family":"Sch\u00fctt-Gerowitt","sequence":"additional","affiliation":[{"name":"International Vaccine Institute, Seoul National University Research Park, Republic of 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