{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,24]],"date-time":"2026-10-24T00:03:00Z","timestamp":1792800180414,"version":"4.5.0"},"reference-count":20,"publisher":"National Academy of Sciences","issue":"33","license":[{"start":{"date-parts":[[2020,7,28]],"date-time":"2020-07-28T00:00:00Z","timestamp":1595894400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100009619","name":"Japan Agency for Medical Research and Development","doi-asserted-by":"publisher","award":["JP19fk0108103"],"award-info":[{"award-number":["JP19fk0108103"]}],"id":[{"id":"10.13039\/100009619","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100009619","name":"Japan Agency for Medical Research and Development","doi-asserted-by":"publisher","award":["JP19fk0108104"],"award-info":[{"award-number":["JP19fk0108104"]}],"id":[{"id":"10.13039\/100009619","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["www.pnas.org"],"crossmark-restriction":true},"short-container-title":["Proc. Natl. Acad. Sci. U.S.A."],"published-print":{"date-parts":[[2020,8,18]]},"abstract":"<jats:title>Significance<\/jats:title>\n                  <jats:p>\n                    On February 5, 2020, the\n                    <jats:italic>Diamond Princess<\/jats:italic>\n                    cruise ship was put under quarantine offshore Yokohama, Japan, after a passenger who disembarked in Hong Kong was confirmed to have coronavirus disease 2019. Whole-genome sequencing of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and a network\/phylogeny analysis of the outbreak suggested that there was a single introduction of SARS-CoV-2, which disseminated among passengers on the ship through possible mass-gathering events in the recreational areas. These findings provide information useful for preventing future outbreaks on cruise ships and emphasize the importance of genome-based network\/phylogeny analysis to elucidate possible transmission routes in outbreak situations.\n                  <\/jats:p>","DOI":"10.1073\/pnas.2006824117","type":"journal-article","created":{"date-parts":[[2020,7,28]],"date-time":"2020-07-28T17:39:08Z","timestamp":1595957948000},"page":"20198-20201","update-policy":"https:\/\/doi.org\/10.1073\/pnas.cm10313","source":"Crossref","is-referenced-by-count":69,"title":["Haplotype networks of SARS-CoV-2 infections in the\n                    <i>Diamond Princess<\/i>\n                    cruise ship outbreak"],"prefix":"10.1073","volume":"117","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1302-5472","authenticated-orcid":false,"given":"Tsuyoshi","family":"Sekizuka","sequence":"first","affiliation":[{"name":"Pathogen Genomics Center, National Institute of Infectious Diseases, 162-8640 Tokyo, 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