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.
Asthma (AZ-ma) is a common chronic inflammatory disease that narrows the airways. Asthma affects people of all ages, but it most often starts during childhood. Asthma has no cure. Even when you feel fine, you still have the disease, and it can flare up at any time.