Just to compare to "covid'
https://brownstone.org/articles/the-1968-69-hong-kong-flu-pandemic-revisited/
I had to pay $30 US for an I-94 when I was crossing the CBX for a five day Thanksgiving visit to family, contrary to what everybody says so expect to be surprised.
https://waggonerguide.com/canadians-face-stricter-u-s-border-crossings/