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abstractpubmed· Abstract 2021· item PMID:33979565

COVID-19 Outbreak on a Passenger Ship and Assessment of Response Measures, Greece, 2020. We describe response measures to an outbreak involving 128 (33.4%) coronavirus disease cases (46.1% asymptomatic) among 383 persons onboard a passenger ship. Multivariate analysis indicated that dining in certain rooms and bar areas, nationality, working department (for crew members), and quarantining onboard the ship were significantly associated with infection.