There are lots of people who suffer from this type of OCD and it is known as contamination OCD. In this people have fear of germs and they wash their hands and clean their surrounding everytime. This is very common and lots of people suffer from it.

Here are some articles on contamination OCD:- OCD: Treatment for Contamination Fears
Contamination OCD: Symptoms and Treatment | NOCD
International OCD Foundation | OCD and Contamination