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.
A diagnosis of asthma may be missed in an older person because other health problems may mask the disease. In particular, heart disease and emphysema (another respiratory illness that causes breathing problems) are more common in this age group. The symptoms of illnesses such as these can be similar to those of asthma.