Fleas cause skin disease, but they may transmit other serious infections, such as tapeworm and bacterial infections. (catfriendly.com)
U.S. Air Force researchers published findings back in 2002 that concluded most $ 1 bills — 94 percent of 68 tested dollar notes — were harboring bacteria, including some which could cause pneumonia or other serious infections. (scientificamerican.com)
These tests are helpful because many pets that develop demodex infections have other serious infections or disease. (1800petmeds.com)