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 Impact of Asthma. Asthma is a serious and widespread disease, affecting 300 million individuals worldwide. In the U.S. about 25 million people have asthmaâone out of every 12 people. The disease affects all age groups: infants, school children, young adults, baby boomers, and seniors, but the prevalence in children is particularly high and it is rapidly growing. Almost one in 9 children in the U.S. has asthma.