Other driving options, not sure of the road conditions:

• West of Hwy 1 taking a long run of Hope -> spencer rd -> texas creek rd -> Lilooet. Maybe even taking the Lytton ferry if it's still running (Can also start at Boston Bar)
• Taking one of many FSR east of Boston Bar and landing in Kingsvale. Hwy 5 is apparently being repaired in multiple places, so you could either take that or head more east down Kane Valley Rd to Aspen Grove

Here's the link from the QR code in case anyone is curious: https://immunizationcard.manitoba.ca/?ID=df11d9a4-8fb5-4c47-ab20-96a4e955e9b0

Seems they at least got their UUID right, it's generated randomly according to spec: https://security.stackexchange.com/a/53477

Though who knows if their random number generator isn't broken. I didn't bother to click the link however, was just curious.