Unaffordable pharmaceuticals is a purely American problem and I have no idea why you guys think it's normal or put up with it.
[1] https://www.chemistwarehouse.com.au/buy/100885/tenofovir-dis...
Given the number of gun owners and the number of pharmaceutical companies that let people die in agony to keep the medical insurance industry afloat, it should surely be a serious enough problem to warrant changes in corporate policy.
A major reason why you've entrenched interests is that they have safe seats they can depend on. The US has major issues with acts of gerrymandering that create those safe seats. Most forms of PR are much more resistant to gerrymandering than FPTP is. And if you want people who'll do something regarding healthcare costs, you need to get rid of those safe seats and make them accountable.
It’s cheap in Australia because it’s generic. It’s generic now in the US too, and guess what? It’s $40 per month in the US.
If you take PrEP periodically (2+1+1) that will even last you a lot longer (depending on the frequency of course). I am very glad PrEP exists, and already optimistic about its impact in reducing transmissions. But if we can replace this with a one-shot vaccine, that would be groundbreaking.