Air Canada announced today that they are providing complimentary coverage (include complimentary Manulife COVID-19 (emergency medical and quarantine insurance) for COVIS-19 for flights booked up until October 2021. This covers ” eligible Canadian residents when travelling internationally on a booking made with Air Canada, for travel until April 12, 2021. “. So if you are a US or international traveller – you are not covered.
This does open up things for confident travellers who are able to travel to an international location. Other restrictions are that it is only for travel up to 21 days and only to countries without a Canadian Government “Avoid all travel” advisory.
Check out further details here https://www.aircanada.com/ca/en/aco/home/book/travel-news-and-updates/2020/covid-19-insurance.html