Yes i'm sure those who make those rankings come up with a result after reviewing only 1 variable on two completely unrelated event.
Also you forgot to mention that unlike in canada literal HUNDREDS died over this:

That isn't how viral spread works. We don't assign blame to individuals who infect others with a potentially debilitating/fatal disease because proving it and the malicious intent would be too difficult. We just want to minimize the spread chance, which has proven to be quite tough to do. We measure success via the number of cases.

Remember that many diseases kill indirectly. For example, AIDS just destroys the immune system and allows other pathogens to go in for the kill.