{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,4]],"date-time":"2026-11-04T23:56:32Z","timestamp":1793836592735,"version":"4.6.1"},"reference-count":10,"publisher":"SAGE Publications","issue":"14","license":[{"start":{"date-parts":[[2021,4,19]],"date-time":"2021-04-19T00:00:00Z","timestamp":1618790400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Mult Scler"],"published-print":{"date-parts":[[2021,12]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Yellow fever vaccine (YFV) is not advised for multiple sclerosis (MS) patients because of the potential risk of post-vaccine relapses.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective:<\/jats:title>\n                    <jats:p>To assess the risk of relapsing-remitting multiple sclerosis (RR-MS) worsening after YFV.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Non-interventional observational retrospective, exposed\/non-exposed cohort study nested in the French national cohort including MS.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>128 RR-MS were included. The 1-year annualized relapse rate (ARR) following YFV did not differ between exposed: 0.219 (0.420) and non-exposed subjects: 0.208 (0.521) ( p\u2009= 0.92). Time to first relapse was not different between groups (adjusted hazard ratio (HR) = 1.33; 95% confidence interval (CI) = 0.53\u20133.30, p = 0.54).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>These results suggest that YFV does not worsen the course of RR-MS.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/13524585211006372","type":"journal-article","created":{"date-parts":[[2021,4,19]],"date-time":"2021-04-19T06:41:12Z","timestamp":1618814472000},"page":"2280-2283","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":21,"title":["Multiple sclerosis: Is there a risk of worsening after yellow fever vaccination?"],"prefix":"10.1177","volume":"27","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4074-6125","authenticated-orcid":false,"given":"Caroline","family":"Papeix","sequence":"first","affiliation":[{"name":"Department of Neurology Piti\u00e9-Salp\u00eatri\u00e8re Hospital, APHP-6, Sorbonne University, Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Julie","family":"Mazoyer","sequence":"additional","affiliation":[{"name":"Department of Neurology Piti\u00e9-Salp\u00eatri\u00e8re Hospital, APHP-6, Sorbonne University, Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7699-0328","authenticated-orcid":false,"given":"Elisabeth","family":"Maillart","sequence":"additional","affiliation":[{"name":"Department of Neurology Piti\u00e9-Salp\u00eatri\u00e8re Hospital, APHP-6, Sorbonne University, Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Caroline","family":"Bensa","sequence":"additional","affiliation":[{"name":"Department of Neurology, FONDATION ADOLPHE DE Rothschild, Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anne-Laure","family":"Dubessy","sequence":"additional","affiliation":[{"name":"Department of Neurology, saint ANTOINE Hospital, APHP-6, Sorbonne University, Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Catherine","family":"Goujon","sequence":"additional","affiliation":[{"name":"Pasteur Institute (Medical Center), Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Odile","family":"Launay","sequence":"additional","affiliation":[{"name":"CIC Cochin-Pasteur, APHP 5, Sorbonne Paris Cit\u00e9, INSERM CIC1417, Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christine","family":"Lebrun-Fr\u00e9nay","sequence":"additional","affiliation":[{"name":"Department of Neurology, Pasteur 2 hospital, Nice C\u00f4te d\u2019Azur University, URRIS UR2 CA, CRCSEP, Nice, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C\u00e9line","family":"Louapre","sequence":"additional","affiliation":[{"name":"Department of Neurology Piti\u00e9-Salp\u00eatri\u00e8re Hospital, APHP-6, Sorbonne University, Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Serge","family":"Mrejen","sequence":"additional","affiliation":[{"name":"Department of Neurology, Piti\u00e9-Salp\u00eatri\u00e8re Hospital, APHP-6, Sorbonne University, Paris, France\/ Department of Neurology, Robert Ballanger, Aulnay Sous Bois, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Val\u00e9rie","family":"Pourcher","sequence":"additional","affiliation":[{"name":"Infectious Diseases Department, Piti\u00e9-Salp\u00eatri\u00e8re Hospital, APHP-6, Sorbonne University, INSERM UMR S 1136, Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michel","family":"Rosenheim","sequence":"additional","affiliation":[{"name":"Department of Neurology Piti\u00e9-Salp\u00eatri\u00e8re Hospital, APHP-6, Sorbonne University, Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bruno","family":"Stankoff","sequence":"additional","affiliation":[{"name":"Department of Neurology, saint ANTOINE Hospital, APHP-6, Sorbonne University, Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jean-Sebastien","family":"Vidal","sequence":"additional","affiliation":[{"name":"Assistance Publique- HOPITAUX de Paris, HOPITAUX Universitaires Paris, Hospital Broca, Service de GERIATRIE, Paris\/EA 4468, University of Paris, Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Catherine","family":"Lubetzki","sequence":"additional","affiliation":[{"name":"Department of Neurology Piti\u00e9-Salp\u00eatri\u00e8re Hospital, APHP-6, Sorbonne University, Paris, 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