It gets more and more difficult to remove the pathogens through hand washing.
We no longer are dealing with pathogens, we are dealing with Superbugs.
What it does is it breaks down the immune system and creates openings for pathogens.
pathogen path·o·gen (pāth'ə-jən)
An agent that causes disease, especially a living microorganism such as a bacterium, virus, or fungus.
An agent that causes infection or disease, especially a microorganism, such as a bacterium or protozoan, or a virus. See Note at germ.