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.
Symptoms of Asthma. 1  Symptoms of an asthma attack are wheezing, a cough, tight chest, and trouble breathing. 2  Wheezing is the classic symptom. Wheezing is a high-pitched whistling or purring sound. 3  The diagnosis of asthma requires attacks of wheezing that recur. The diagnosis is rarely made before 1 year of age.