As the symptoms associated with respiratory tract, in which groups of children that, when given access to pathogens. If the body is not strong. There is little immunity can cause the spread of the disease.
The symptoms associated with respiratory tract. In which a group of children when the bacteria get into. If the body is not healthy Imparts less It can cause the spread of disease.
Symptoms related to the respiratory tract. In which the child when the disease into the group. If the body is not strong, there is little immunity can cause the spread of the disease.