7 fully vaccinated people test positive for COVID-19 on UnCruise ship sailing in Southeast Alaska Posted by Eric Stone | Jul 26, 2021 The UnCruise Wilderness Explorer is seen docked at Ketchikan’s downtown Berth 4 on Sunday. UnCruise says seven people aboard the 74-passenger vessel have tested positive for COVID-19. (Eric Stone/KRBD) Seven fully vaccinated people aboard a small cruise ship that docked in Ketchikan over the weekend have tested positive for COVID-19. The ship’s operator UnCruise canceled a sailing due to depart this past weekend in response. The 74-passenger Wilderness Explorer sailed to Juneau from Ketchikan Monday evening. UnCruise spokesperson Liz Galloway said in a statement Monday evening that the four positive passengers would isolate in a Juneau hotel. Three positive crew members would isolate aboard the Wilderness Explorer, she said.