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.
Quick GuideAsthma Symptoms, Causes, and Medications. When asthma symptoms appear and are diagnosed in adults older than 20, it is typically known as adult-onset asthma. Adult-onset asthma is more common in women than in men and is possibly related to allergies or allergic asthma. About half of adults who have asthma also have allergies.