Bacillophobia

From Greek -phobia, fear of... . A term describing one afraid of bacteria or germs, or, more commonly, of being infected by them.

Extreme bacteriophobes may refuse to go outside for fear of the germs out there, or insist that their possession and anyone who comes near them are steralised to prevent infection.

In order to prevent the anxiety aassociated with their fear some people develope extensive riuals to ward off contamination and may be diagnosed with OCD