Transit quarantine is in effect for specific international-to-U.S. flight
connections at YVR, but there is no transit quarantine for any flight
connection at YYZ.
Canadian visa required and checked for:
* all international-U.S. and U.S.-international connections at YYZ
* all U.S.-international connections at YVR
* most international-U.S. connections at YVR
Canadian visa required but not checked for:
* specific international-U.S. connections at YVR
