I suggest you check your card benefits. I believe travel insurance was eliminated several years ago:
Please note, as of September 22, 2019, trip cancellation and interruption protection is no longer provided by the Costco Anywhere Citi Visa® Card. For additional benefit information, visit Costco Anywhere Citi Visa® Card or contact a Citi® expert at 1-855-378-6467 (24 hours a day, 7 days a week).