If one is talking about interstate business, a company that is in one state provides its products and services to a customer in another state or several states. Intrastate. Intrastate refers to anything that pertains to a single state and does not require crossing over the boundaries of a single state.
H. pylori was first discovered in the stomachs of patients with gastritis and ulcers in 1982 by Drs. Barry Marshall and Robin Warren of Perth, Australia. At the time, the conventional thinking was that no bacterium could live in the acid environment of the human stomach.
Helicobacter Pylori Causes. Are you wondering how or where you acquired Helicobacter pylori? Does your partner or spouse have H pylori? Did you have food poisoning from a restaurant or on holiday? If you have been diagnosed with H pylori you may be wondering how on earth the bacteria managed to get into your stomach. I believe I picked up my H pylori infection in Egypt from some tainted food.