By Sarah Jean Callahan CDC has lifted some major requirements for setting sail. The pandemic made for some rough waters for the cruise industry to navigate with closures and limits on who can embark the ships. The Centers for Disease Control had some pretty tough restrictions on cruise lines, considering they are complete little worlds on the water, including their own medical centers aboard. Cruise lines were subject to all destinations and port rules for covid. All the safety measures wreaked havoc on their businesses. Up until recently if anyone wanted to travel, they were taking a risk, mo…