{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,4]],"date-time":"2026-03-04T17:10:45Z","timestamp":1772644245174,"version":"3.50.1"},"reference-count":29,"publisher":"Pan American Health Organization","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,6,1]]},"abstract":"<sec>\n<title>Objective.<\/title>\n<p>To assess how relevant the flow of people between communities is, compared to vaccination and type of vector, on the spread and potential outbreaks of yellow fever in a disease-free host community.<\/p>\n<\/sec>\n<sec>\n<title>Methods.<\/title>\n<p>Using a SEIRV-SEI model for humans and vectors, we applied numerical simulations to the scenarios: (1) migration from an endemic community to a disease-free host community, comparing the performance of <italic>Haemagogus janthinomys<\/italic> and <italic>Aedes aegypti<\/italic> as vectors; (2) migration through a transit community located on a migratory route, where the disease is endemic, to a disease-free one; and (3) effects of different vaccination rates in the host community, considering the vaccination of migrants upon arrival.<\/p>\n<\/sec>\n<sec>\n<title>Results.<\/title>\n<p>Results show no remarkable differences between scenarios 1 and 2. The type of vector and vaccination coverage in the host community are more relevant for the occurrence of outbreaks than migration rates, with <italic>H. janthinomys<\/italic> being more effective than <italic>A. aegypti<\/italic>.<\/p>\n<\/sec>\n<sec>\n<title>Conclusions.<\/title>\n<p>With vaccination being more determinant for a potential outbreak than migration rates, vaccinating migrants on arrival may be one of the most effective measures against yellow fever. Furthermore, <italic>H. janthinomys<\/italic> is a more competent vector than <italic>A. aegypti<\/italic> at similar densities, but the presence of <italic>A. aegypti<\/italic> is a warning to maintain vaccination above recommended levels.<\/p>\n<\/sec>","DOI":"10.26633\/rpsp.2023.86","type":"journal-article","created":{"date-parts":[[2023,5,31]],"date-time":"2023-05-31T14:05:45Z","timestamp":1685541945000},"page":"1","source":"Crossref","is-referenced-by-count":2,"title":["Effects of migration rates and vaccination on the spread of yellow fever in Latin American communities"],"prefix":"10.26633","volume":"47","author":[{"given":"Sabrina","family":"Simon","sequence":"first","affiliation":[{"name":"University of S\u00e3o Paulo, S\u00e3o Paulo, Brazil"},{"name":"ssimon@alumni.usp.br"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marcos","family":"Amaku","sequence":"additional","affiliation":[{"name":"University of S\u00e3o Paulo, S\u00e3o Paulo, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eduardo","family":"Massad","sequence":"additional","affiliation":[{"name":"Get\u00falio Vargas Foundation, Rio de Janeiro, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"11167","reference":[{"key":"ref1","doi-asserted-by":"crossref","unstructured":"1. 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