From the Air Miles website:
What is the impact of COVID-19 (Coronavirus) on my AIR MILES travel booking?
AIR MILES understands there is uncertainty with COVID-19 (Coronavirus) and the associated travel advisories. The safety of our Collectors is our first priority and we are working closely with our airline, cruise line, tour operators and insurance partners to provide you with the most up to date information. Please note, many of these policies continue to change, so we encourage you to confirm with your airline, cruise line or tour operator in advance of your travel date.
INSURANCE As of March 5, 2020, Manulife has determined that COVID-19 is now considered a known event and the applicable exclusion will be applied for policies issued on or after this date.
This exclusion will apply globally, including trips to territories with no existing travel advisory or outbreak.
AIR MILES BOOKINGS To make a change or to cancel an AIR MILES booking, please call our Contact Centre at 416-226-5171 or toll free: 1-888-AIRMILE (247-6453) Monday to Friday from 8:00 a.m. - 7:00 p.m. your local time and Saturday from 9:00 a.m. - 6:00 p.m. EST. Changes that are required outside of these hours, please contact the airline, cruise line or tour operator directly.
This notice does not apply to policies purchased prior to March 5, 2020. For more information regarding your Manulife insurance, please contact Manulife Customer Service at 1-866-298-6581.
FOR MORE INFORMATION Public Health Agency of Canada;
Government of Canada Coronavirus (COVID-19) Updates;
World Health Organization;
IATA: Air transport communicable diseases