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.
âBoys are more likely than girls to grow out of childhood asthma when they hit their teenage yearsâ, BBC News announced today. It said that research of more than 1,000 children over an average of nine years, found that although boys were more likely to wheeze than girls, the symptoms were also more likely to disappear when boys reached adolescence.