If the memetic hazard you're referring to is the same one as mine, I recommend benzodiazepines in the short term and vipassana meditation in the long term. And just thinking about it, though clearly you're already doing that.
I think to a large extent, the percieved threat of the thing is due to a generally neurotic perspective, common to many people here, which can twist abstract thinking into knots when given a sufficiently long and nonintuitive chain of reasoning. The trauma illuminates a serious problem with the mind rather than a serious threat from the idea.
Sounds like it almost certainly is not the same one.
The is the second 'What are you working on?' thread. The last one is here. So here's the question:
What are you working on?
Here are some guidelines