Air pressure in the middle ear usually is the same as the air pressure outside the body. Most people are familiar with the pressure changes (relieved by ear popping) that occur when you fly, travel to high altitudes, or dive underwater.
There are many types of E. coli, and most of them are harmless. But some can cause bloody diarrhea. Some strains of E. coli bacteria (such as a strain called O157:H7) may also cause severe anemia or kidney failure, which can lead to death.Other strains of E. coli can cause urinary tract infections or other infections. You get an E. coli infection by coming into contact with the feces, or stool, of humans or animals.This can happen when you drink water or eat food that has been contaminated by feces. E. coli can get into meat during processing.ther strains of E. coli can cause urinary tract infections or other infections. You get an E. coli infection by coming into contact with the feces, or stool, of humans or animals. This can happen when you drink water or eat food that has been contaminated by feces.
There are hundreds of different strains of E. coli. Some are harmless while others cause serious illness. Non-pathogenic strains of E. coli -- those that do not cause disease -- are normal inhabitants of the intestinal tract in humans and animals.But certain strains of E. coli can cause severe diarrhea and infect the genital and urinary tracts. The most notorious type of pathogenic E. coli is known as E. coli 0157:H7. The symptoms of E. coli 0157:H7 infection may include a low fever, nausea, vomiting, stomach cramps, and bloody diarrhea; the infection is contagious and can be spread from person to person by fecal contamination.