Human digestive system digestive system is subject to a wide range of disorders many of which can be congenital. Mouth diseases can also be caused by pathogenic bacteria, viruses, fungi and as a side effect of some medications. Mouth diseases include tongue diseases and salivary gland diseases. A common gum disease in the mouth is gingivitis which is caused by bacteria in plaque. The most common viral infection of the mouth is gingivostomatitis caused by herpes simplex. A common fungal infection is candidiasis commonly known as "thrush" which affects the mucous membranes of the mouth. There are a number of esophageal diseases such
Waterborne Disease and Outbreak Reporting System 1971. Summary statistics and descriptions of waterborne disease outbreaks were published in CDC reports until 1984 and have been published in the Morbidity and Mortality Weekly Report (MMWR) since 1985. Public health researchers and policy makers use the data to understand and reduce waterborne disease and outbreaks. WBDOSS data are available to support EPA efforts to improve drinking water quality and to provide direction for CDC’s recreational water activities, such as the Healthy Swimming program. National Outbreak Reporting System (NORS) Waterborne Disease and Outbreak Reporting System The Waterborne Disease and Outbreak Surveillance System (WBDOSS) is a national surveillance system maintained