I would pay close attention to the advice given on those threads. The community leader
of the OCD forum JGF is excellent and gives wonderful advice on
how to address the intrusive thoughts that come with anxiety.
Also, if you haven't already, you need to be evaluated by a mental health professional, to nail down exactly what's going on with you, so a treatment plan can be formulated.
Hang in there, stay distracted, and MOST importantly, do NOT search the internet about rabies.