The Centers for Disease Control and Prevention (CDC) said Friday that travelers at high risk of complications from COVID-19 should avoid cruise ships, even if fully vaccinated. According to the CDC’s updated guidance on cruise ship travelers, the CCP (Chinese Communist Party) virus, the pathogen that causes the disease COVID-19, spreads easily between people in close quarters on ships, and the chance of catching the illness on cruise ships is high. The agency recommends that people who are at increased risk of severe illness should avoid traveling on cruises, regardless of vaccination status, as should those who are not fully vaccinated. “Older adults and people of any age with certain underlying medical conditions are more likely to get severely ill if they get COVID-19,” the agency said in the guidelines. “People with weakened immune systems, including people who take medicines that suppress their immune systems, may not be protected even if …