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Gastroenteritis is the main reason for 3.7 million visits to physicians a year in the United States [1] and 3 million visits in France. [81] In the United States gastroenteritis as a whole is believed to result in costs of US$23 billion per year, [82] with rotavirus alone resulting in estimated costs of US$1 billion a year. [1]
Gastroenteritis can be caused by viral, bacterial, or parasitic infections. Common routes of infection include: Food; Contaminated water; Contact with an infected person; Unwashed hands [2] Fifty to seventy percent of cases of gastroenteritis in adults are caused by noroviruses (genus Norovirus, family Caliciviridae). This virus is highly ...
However, this is generally not the case, considering that many pathogens which cause enteritis may exhibit similar symptoms, especially early in the disease. In particular, Campylobacter , Shigella , Salmonella and many other bacteria induce acute self-limited colitis, an inflammation of the lining of the colon which appears similar under the ...
Abdominal pain, vomiting, and stool with mucus and blood are present in acute gastroenteritis, but diarrhea is the leading symptom. Rectal prolapse can be differentiated by projecting mucosa that can be felt in continuity with the perianal skin, whereas in intussusception the finger may pass indefinitely into the depth of the sulcus .
Sapovirus is a genetically diverse genus of single-stranded positive-sense RNA, non-enveloped viruses within the family Caliciviridae. [1] [2] Together with norovirus, sapoviruses are the most common cause of acute gastroenteritis (commonly called the "stomach flu" although it is not related to influenza) in humans and animals.
2001: Dennehy et al. collected stool samples from hospitalized children suffering from acute gastroenteritis; astrovirus was determined the second leading cause of gastroenteritis after rotavirus 2002: Guix et al. completes an epidemiological study on the presence of astrovirus in Barcelona, Spain; the total incidence of astrovirus in 2,347 ...
Norovirus, also known as Norwalk virus and sometimes referred to as the winter vomiting disease, is the most common cause of gastroenteritis. [1] [6] Infection is characterized by non-bloody diarrhea, vomiting, and stomach pain.
The first case of amoebiasis was documented in 1875. In 1891, the disease was described in detail, resulting in the terms amoebic dysentery and amoebic liver abscess. [2] Further evidence from the Philippines in 1913 found that upon swallowing cysts of E. histolytica volunteers developed the disease. [2]
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