Carnival Cruise Lines’ Carnival Freedom said it has been forced to alter its stops in the south Caribbean after several individuals onboard tested positive for COVID-19, the firm said. “This is a vaccinated cruise, and all guests were also tested before embarkation,” Carnival Cruise Lines said in its statement to news outlets on Dec. 24. “Unfortunately, Bonaire and Aruba authorities did not permit the ship to call in those ports, but we have confirmed a visit to Amber Cove, [Dominican Republic] today.” Carnival requires its customers and staff to have been fully vaccinated 14 days prior to sailing and provide proof of vaccination, according to its website. A number of other cruise operators have similar requirements, and other cruise lines have seen spikes in COVID-19 cases in recent days. The Carnival Freedom departed on Dec. 18 and docked in Curacao on Tuesday, Dec. 21. “Carnival Freedom is following all protocols …