There is a disease, which spreads and infects in a subtle way, but it is not a virus or bacteria, but ironically a disorder. This disorder, in this case, leaves the patient with a strong aversion to the number 0, showing signs of severe anxiety and psychotic outbreaks.
Clinical reports have shown that the patient sees the number 0 in everything around them, as if it were a large computer screen sending them codes on a daily basis.
This condition has been called Zero Factor Disorder (or ZFD).