Allergic bronchopulmonary aspergillosis is a form of lung disease that occurs in some people with cystic fibrosis or asthma. The fungus Aspergillus fumigatus can be found in soil, decaying vegetation, dusts, foods and water. The fungus forms in a very small particles that can float in the air. Certain people who inhale the fungus may become sensitized and develop a chronic allergic reaction. To help you know more about allergies Singapore, try visiting http://blog.drsundardas.com/category/allergies/