Ontario’s plan gave very minimal, inadequate contributions for out-of-country medical emergency costs, so you do need (and always did need) other travel medical insurance when you head out on your adventures! That insurance may be coverage through the UG retiree extended health insurance you purchased through SunLife, or from other companies, or through your credit card. A column by Rob Carrick in the Globe and Mail on January 9, 2020 (page B11*) provides a good analysis of what you should be checking before you pack. Bon voyage!
Posted on-line Jan 8/20 https://www.theglobeandmail.com/investing/personal-finance/household-finances/article-provincial-health-plans-should-not-help-snowbirds-cover-their-out-of/ [1]