Royal Caribbean's Symphony of the Seas cruise ship docked in Miami on Saturday with 48 passengers with COVID-19 on board.

Royal Caribbean confirmed that a positive COVID test from one of the guests triggered contact tracing protocol on board, and it was found that four dozen travelers were infected on the world's biggest cruise ship.

"Each person quickly went into quarantine," the cruise company said in statement to PEOPLE on Monday. "Everyone who tested positive were asymptomatic or had mild symptoms, and we continuously monitored their health."

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