background: hepatitis a, an acute viral disease is the most common global cause of viral hepatitis that affects millions of people annually. due to its high incidence, hepatitis a is considered a worldwide health problem. this study aims to determine the knowledge, risk perceptions, and behavioral intentions for hepatitis a among elementary school teachers in yazd city. â  materials and methods...

background: according to some provincial reports, prevalence of hepatitis a has had a decreasing trend during the past decade in iran. we aimed to overview clinical manifestations and laboratory findings of iranian pediatric patients diagnosed with hepatitis a infection. materials and methods: this retrospective study was performed on 162 consecutive pediatric cases of hepatitis a infection. da...

food borne viral infections are recognized increasingly as human illneses. hepatitis a virus (hav) is an important pathogen which has been responsible for water and many food – borne outbreeks especially milk . in this study for approaching to best diagnosis method of hav in milk by elisa technique, various dilutions of hav antigen (1 ml/l, 10-3 ml/l, 10-6 ml/l, 10-9 ml/l) were added to uht mil...

conclusions because 66% of students were anti-hav antibody negative and they will work as health care workers in future, our study suggest vaccinating all students accepted at aja university of medical sciences. results of total 270 students, 30 were female. their age ranged between 18 and 30 years old with the mean age of 20.58 years and just 34% of students had positive level of anti-hav anti...

hepatitis a virus (hav) infection is a self-limiting disease caused by a 27-nm rna virus from the picorna virus family. its' transmission is primarily via the fecal-oral route. the disease is usually mild and anicteric in children, however the rate of the icteric form, severity, and mortality increase in adult life. the estimated case-fatality rate in age over 40 years is approximately 2%, whil...

Autoimmune hepatitis is a chronic hepatitis that occurs in children and adults of all ages. Diagnosis is based upon characteristic serologic and histologic findings and the exclusion of other forms of chronic liver disease. Guidelines issued by the AASLD suggest the following diagnostic considerations: The diagnosis should be made in patients with compatible clinical signs, symptoms, and labora...