As predicted, evidence is emerging that <i>Toxoplasma Gondii</i> infections are higher in prison populations: <a href="http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3955834/" rel="nofollow">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3955834/</a> I have another paper on the subject as well but unfortunately it's in Turkish.