Travel CDC warns older adults, travelers in COVID high-risk groups not to take cruises, even if they’re vaccinated August 20, 2021August 20, 2021Bailey Schulz, USA TODAYComments Off on CDC warns older adults, travelers in COVID high-risk groups not to take cruises, even if they’re vaccinated The CDC is recommending that travelers at increased risk for severe illness from COVID-19 avoid cruises, regardless of vaccination status.