The Canadian government has issued a global travel advisory - avoid all non-essential travel outside of Canada until further notice. Also, a few days ago an advisory was issued to avoid all cruise ship travel.
https://travel.gc.ca/travelling/advisories
Other measures that are being enacted include:
- Limiting which airports international flights can land at
- Boats and cruise ships with more than 500 passengers are no longer allowed to dock in Canadian ports
- All international travellers are asked to self-isolate for 14 days after arrival
- Increased screening at points of entry