"Nasty germs" refers to harmful microorganisms that can cause illness or disease.
Sentences with «nasty germs»
For while the density of cities may make them more vulnerable to a particularly nasty germ or weapon, this same density promotes understanding across social, religious, and ethnic lines. (discovermagazine.com)
A new study shows that 90 percent of mugs in office kitchens are coated in some pretty nasty germs, including fecal matter. (mindbodygreen.com)
The fact is that shopping carts really can harbor a number of nasty germs and bacteria. (momtricks.com)