E. coli and other facultative anaerobes constitute about 0.1% of gut flora, and fecalâoral transmission is the major route through which pathogenic strains of the bacterium cause disease.
Asthma symptoms in children ages 5-11. Common asthma signs and symptoms in children ages 5 to 11 include: 1  Coughing, particularly at night. 2  Wheezing. 3  Difficulty breathing. 4  Chest pain, tightness or discomfort. 5  Avoiding or losing interest in sports or physical activities.
Today, asthma affects 4.8 million Americans under the age of 18, or one out of every 15 kids. It is the leading chronic illness for children in the United States. Asthma is a disease of the lungs and airways that manifests itself in wheezing, coughing, and difficulty in breathing. During an asthma attack, the muscles around the airways constrict and tighten, and the lining of the airways becomes inflamed and swollen.