A better way to boost a site’s SEO would be to include a link to it on a website with heavy traffic, such as Wikipedia. Given the amount of Australian press on the topic, there are enough 3rd party references for it to be included on, say, the Wikipedia page on Hep C.
Now, the big question is: does the FixHepC Buyers Club have the ability to scale should they suddenly receive many thousands more requests for generics access?