Posted in NEWS Cruise lines dropped COVID-19 rules. How did that affect cases? We got numbers from the CDC. December 31, 2022 COVID-19 data from the CDC shows the new case numbers major cruise lines reported after dropping their vaccine requirements. http://rssfeeds.usatoday.com/~/720559328/0/usatoday-newstopstories~Cruise-lines-dropped-COVID-rules-How-did-that-affect-cases-We-got-numbers-from-the-CDC/