PPT-Hepatitis viruses: An overview

Dr Mohit Bhatia Assistant Professor Department of Microbiology AIIMS Rishikesh HEPATOTROPISM Special affinity for or exerting a specific effect on the liver which is usually seen with chemical compounds or hepatitis viruses. History . In 1963, Dr Baruch . Blumberg. accidentally discovered an antigen that detected the presence of hepatitis B in blood samples.. Dr . Blumberg. and his team identified a strange antigen from a blood sample of an Austrian Aborigine.. VOCABULARY. Virus. Capsid. Envelope. Human . Immunodeficiency Virus (HIV. ). Influenza. Lytic Cycle. Lysogenic Cycle. Lysis. Retrovirus. Prerequisite questions. What are the eight characteristics which all living things have in common. arboviruses. ) are viruses that can be transmitted to man by arthropod vectors. . Arboviruses. belong to three families:. Togaviruses. . Bunyaviruses. e.g. . Sandfly. Fever. .. Flaviviruses. e.g. Yellow Fever, dengue, Japanese Encephalitis. Condition. National Notification Criteria*. Print Criteria†. Hepatitis. . A. Confirmed. Confirmed. Acute . hepatitis. . B. Confirmed. Confirmed. Chronic . hepatitis. . B. Confirmed. . and. . probable. Scenario. Confirmed. . hepatitis. . A*. . AND…. Classification. Rationale. Hepatitis. . C. . virus. . (HCV). . test. . conversion. *. . documented. Confirmed. . acute. . hepatitis. . C. Table showing the Differences between Hepatitis A, B, C, D and E.  . Hepatitis A. Hepatitis B. Hepatitis C. Hepatitis D. Hepatitis E. Aetiology (cause). Hepatitis A Virus. Hepatitis B Virus. Hepatitis C Virus. A. “. Infectious”. “. Serum”. Viral hepatitis. Enterically. transmitted. Parenterally. transmitted. F, G, TTV. ? other. E. NANB. B. D. C. Viral Hepatitis - Historical Perspectives. . Source of. Lec. : 4. Non-enveloped DNA Viruses. Non-enveloped . viruses are surrounded by a protein coating, commonly referred to as a capsid. The capsid does the job of attaching to host cells. .. Non-enveloped . HCV TESTING – SCREENINGTesting should be initiated with an assay for serum antibody to HCV (anti-HCV). For those with reactive test results, the anti-HCV test should be followed by a con٠ The only way to know if you have Hepatitis B is to get tested. What is Hepatitis B?Hepatitis B can be a serious liver disease that results from infection with the Hepatitis B virus. Acute Hepatitis In Indiana, the 10-year trend of hepatitis A decreased from 329 cases in 1997 to 33 cases in 2006. Many cases have unknown exposures, while some reported traveling internationally. In A in an element What else do we need to know?Inform your immunization provider if you or your child has any health problems or allergies. Your immunization provider will give you a record of you or your child’s . . Prof. Dr. Dalya Basil. . Introduction. . The . herpesvirus. family contains several of the most important human viral pathogens. . Clinically, the . herpesviruses. : . Identify hepatitis viruses regarding their structure , epidemiology and pathogenesis of the disease and prevention methods.. Recognize the important serological makers during various stages of Hepatitis B..