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.
The Asthma Predictive Index(API) was developed after following almost a thousand children through 13 years of age. Seventy-six (76) percent of children diagnosed with asthma after six years of age had a positive asthma predictive index before three years of age. Ninety-seven (97) percent of children who did not have asthma after six years of age had a negative asthma predictive index before three years of age.