As the word implies, interstate means anything that involves more than a single state. There are carriers and transport companies that operate in several states and their trucks pass between many states. For this, these carriers have to obtain authorization from different states.
Clostridium tetani: Clostridium tetani is listed as a type of (or associated with) the following medical conditions in our database: 1  Bacterial diseases. 2  Vaccine-preventable diseases. 3  Conditions involving a pathogen. 4  Child health conditions. 5  Muscle conditions. 6  Musculoskeletal conditions. 7  Oral conditions.
Tetanus is caused by bacterial infection. If you ask, why a wound caused by rusty metals carries tetanus, you need to know that it is not the rust which has something to do with the disease. Instead, it is the bacteria. The spores of Clostridium tetani live in humid, dirty places, such as soil and compost.