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.
According to the Centers for Disease Control and Prevention, 1 in 13 people have asthma. 1; About 25 million Americans have asthma. This is 7.6 percent of adults and 8.4 percent of children. Asthma has been increasing since the early 1980s in all age, sex and racial groups. 3; Asthma is the leading chronic disease in children. It is also the top reason for missed school days. 6; Asthma is more common in adult women than adult men. 1 Asthma is more common in children than adults and more common in boys than girls. 1 Currently, there are 6.2 million people with asthma under the age of 18. 3