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Hepatitis

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by

Hannah Johnson

on 15 February 2013

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Transcript of Hepatitis

By Nick and Hannah Hepatitis Defined as... WHAT IS HEPATITIS? ...Inflammation of the liver caused by virus or toxin Currently five different types of Hepatitis Hepatitis A, B, C, D, E TYPES OF HEPATITIS Hepatitis A Hepatitis B Hepatitis C Hepatitis D Hepatitis E Symptoms of Type A Caused by... Transmission Where did it come from? Tiredness Jaundice Aches/sore Dark urine Pain on right side Virus called HAV Picornavirus common to infect liver known to cause common cold only get symptoms if many liver cells are infected contaminated food or water sexually contact blood contact with infected stool or blood direct contact chimps are the only other species to contract it may have been seen in ancient Greece and Egypt discovered in 1973 large outbreaks rare Outbreak in Shanghai 1988 Treatment There is no specific treatment for Hep A Rest Refrain from using alcohol or medications Two different vaccination available HAVRIX released in 1995 VAQTA released in 1996 Hep B symptoms Cause of Hep B is the HBV virus... Transmission Epidemiology Treatment Acute and Non-threatening Similar to Hep A symptoms Half do not show symptoms develop 1 to 4 months after exposure can be acute or chronic only 10% of adults go on to having Chronic Symptoms of Type C Cause Transmission Epidemiology Treatment Symptoms of Type D Cause Transmission Epidemiology Treatment Symptoms of Type E Cause Transmission Epidemiology Treatment Video Overview What will come of Hepatitis? ...which is a Hepadnavirus Most people recover in 2 months an animal DNA virus which can cause chronic or acute illness blood transfusions dirty needles contact with blood newborn via mother sexually contact Chronic Hep B lasts longer then 6 months children more prone can lead to cirrhosis or liver cancer Contracted by alcohol, medications, infection, poisons or autoimmune origin not known discovered in 1963 by Dr. Baruch Blumberg Global disease Kills close to 5000 people in the US every year no actual treatment for acute Liver transplant Vaccination interferon treatment Can be no symptoms symptoms like Hepatitis A and B often symptoms do not show until becomes chronic 70% of cases become chronic HCV virus which is a hepacivirus positive single stranded RNA virus hepacivirus also found in canines very small virus only with contact with infected blood blood transfusions in 1970's/80's was discovered in 1989 Asia, India, Africa, South America, and Europe 100 times more infectious then AIDs origin unknown no vaccine interferon treatment liver transplant some bodies reject America, Europe leading reason for liver transplant in US Questions 1. What is hepatitis often called? 2. What form of hepatitis is most common in United States? 3. What form(s) of hepatitis have working vaccines? 4. What form of hepatitis often follows hepatitis B? 5. What are common symptoms of hepatitis? "Silent Killer" can't through birth or sexually contact symptoms similar to other type of hepatitis hepatitis B HDV virus deltavirus small RNA virus coinfection superinfection Chronic never completely healed has highest mortality rate out of hepatitis (20%) discovered in 1977 seen in places where hepatitis B is most common sexually contact any contact with infected blood same ways hepatitis B is contracted no proven treatment very deadly if contracted prevention is the best treatment Getting Hepatitis B vaccine can only prevent against co-infection acute hepatitis D cures itself silently damages liver 80% turn chronic occurs in poorer countries Africa and Asia places with contaminated drinking water no outbreaks in USA fecal-oral drinking contaminated water eating contaminated foods rarely occurs with close contact with infected people monsoon flooding similar to other types of hepatitis only way to get know what type you have is to get tested hepevirus in same virus family as hepatitis C HEV similar to hepatitis A no specific cure cures itself after a couple of weeks avoid alcohol, get rest, drink lots of fluids hepatitis is more infectious than AIDs vaccines made and being improved in next 5 to 10 years more will be understood about hepatitis be aware but not scared still relevantly new disease acute Acute and chronic cases http://bit.ly/nchjhepatitis
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