For the past few years I've been writing fiction for the SCP Foundation wiki. Among other things, I am the creator of SCP-055 and the Antimemetics Division!
You can buy my complete Antimemetics Division saga as an ebook from these places:
It should be about three U.S. dollars.
Kindle Direct Publishing accepts content which is available freely on the web, but only if submitted by the original copyright holder. Therefore, the Kindle edition omits the second half of SCP-055 (Addendum A onwards), which is not by me. The following chapter is very lightly edited to account for this.
The Google Play and Gumroad editions do not have these changes.