An increase in hospital admissions for influenza occurred during the summer of 2015 at an acute care facility in Vancouver, British Columbia, Canada. Investigation identified 25 patients with recent history of cruise ship travel to Alaska. All characterized influenza A viruses were A(H3N2). We describe patient treatment regimens and outcomes.
Keywords: Alaska; British Columbia; H3N2; Vancouver; cruise ships; influenza; oseltamivir; respiratory infections; travel; viruses.