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.
Tests to diagnose and monitor asthma. For children 5 years of age and older, doctors can diagnose and monitor asthma with the same tests used for adults. They measure how much air your child can quickly exhale, an indication of how well the lungs are working.