Enterococci are part of the normal intestinal flora of humans and animals. They have been long recognized as important human pathogens and are becoming increasingly so. The genus Enterococcus includes more than 17 species, although only a few cause clinical infections in humans.nterococci are part of the normal intestinal flora of humans and animals. They have been long recognized as important human pathogens and are becoming increasingly so. The genus Enterococcus includes more than 17 species, although only a few cause clinical infections in humans.
Asthma (AZ-ma) is a chronic (long-term) lung disease that inflames and narrows the airways. Asthma causes recurring periods of wheezing (a whistling sound when you breathe), chest tightness, shortness of breath, and coughing. The coughing often occurs at night or early in the morning. Asthma affects people of all ages, but it most often starts during childhood.
Introduction to Asthma. Asthma is a disease of the lungs that affects more than 20 million Americans, according to the Asthma and Allergy Foundation of America.It is a chronic condition that repeatedly causes the airways in your lungs to become narrowed and inflamed. Infections--illnesses that cause respiratory problems, such as the common cold. â¢ Exercise-induced--brought on by physical activity. â¢ Cold temperatures--cold and dry air can irritate airway and cause asthma.