Hepatitis a, b, c, d and e are very different viruses. The most common types of hepatitis are a, b, and c. Hepatites virais a, b e c em criancas e adolescentes. The main hepatitis viruses fall into five different types. Percutaneous, mucosal, or nonintact skin exposure to infectious blood, semen, and other body fluids. Hepatites virais biblioteca virtual em saude ministerio da saude. Hepatitis e, caused by the hepatitis e virus, is found in the feces of infected individuals, but is most commonly transmitted through infected water sources. Early on chronic infection typically has no symptoms. In acute infection, some may develop a rapid onset of sickness with vomiting, yellowish skin, tiredness, dark urine and abdominal pain. The abcs of hepatitis for health professionals hepatitis a. Anaes, inserm, 1011 septembre 2003 2 audition a di i publique.
Other types are spread by eating undercooked pork or wild game. Hepatitis b virus is a partly doublestranded dna virus with several serological markers. The most common types in the united states are a, b, and c. Hepatitis e occurs more in the developing world due to unclean water sources. Esta hepatite decorre sem sintomas em 90 por cento dos casos. Vaccination for hav has significantly reduced the number of cases of hav in the u. This content is provided as a service of the national institute of diabetes.
Many people have no symptoms during the initial infection. Viral hepatitis is a systemic disease with primary inflammation of the liver by any one of a heterogeneous group of hepatotropic viruses. Hepatitis d only happens to people who are infected by the hepatitis b virus. Natural hosts for hav and hev are humans and lower. Hepatitis c and e comprise a third category, each a distinct type, with hepatitis c parenterally transmitted, and hepatitis e enterically transmitted. Different strains of hepatitis exist, including hepatitis a, b, c, and d. Doc perbedaan hepatitis a, b, c, d, e yohana hurint. Cdc recommendations for hepatitis c screening among adults. It can also be spread by eating food or drinking water contaminated with hav. Hepatitis b vaccination and hepatitis b immune because there is a high risk of acquiring hbv from a needlestick injury, health care profession. Widespread outbreaks of hepatitis a across the united states. Hepatitis b hepatitis b is the most common bloodborne hepatitis, with infection through percutaneous or permucosal routes. The virus persists in the liver in about 75% to 85% of those initially infected.
Hepatitis d, or delta hepatitis, is another distinct virus that is dependent upon hepatitis b infection. Examples of tests for viral proteins and genetic material are. Hepatitis c is an infectious disease caused by the hepatitis c virus hcv that primarily affects the liver. Hepatitis b and c are bloodborne infections, while hepatitis a is easier to catch, but less serious. Hepatitis e is typically an acute infection that gets better without treatment after several weeks. Hepatitis b is a serious and common infectious diseas e of the liver, affecting millions of people throughout the world. It can sometimes lead to cirrhosis, a scarring of the liver. About 44% of cases of viral hepatitis are caused by hav, 49% by hepatitis b hbv, and 7% by hepatitis c hcv. This form of hepatitis may occur as a superinfection in a hepatitis b carrier or as a co. About 80% of those with the disease get a longterm infection. The score values range from 5 to 15 points, as shown in chart 1, and are classified from a to c score a, 5 to 6 points, b,7 to 9 and c, 10 to 15.
Often these symptoms last a few weeks and rarely does. Hepatites a transmission parenterale h e pat i t e v i r a l e c diagnostic positif srologie. Hepatitis information for the public division of viral. Symptoms of hepatitis e can include jaundice, fatigue, and nausea. Division of viral hepatitis home page division of viral. This type of hepatitis is spread by ingesting contaminated food or water. Hepatitis b virus infection is a major public health problem worldwide. Learn the differences people who wish to be protected from hav infection all children at age 1 year 1223 months men who have sex with men users of street drugs injecting and non injecting people who travel or work in any area of the world except the u.
In the us, the most common types are hepatitis a, hepatitis b, and hepatitis c. No vaccine is yet available to prevent hepatitis c. Hepatitis c virus and hepatitis b can make an infected person very sick and they are risk factors for liver cancer, liver disease, liver failure, and liver damage. Prior to 1992, blood transfusion was a risk for contracting hepatitis c infection. Vese iske jayatar lakhshan purusho me dekhe gaye hai. Hepatitis b is an infectious disease caused by the hepatitis b virus hbv that affects the liver. Hepatitis ab and c learn the differences immunization action. During the initial infection people often have mild or no symptoms. If you are vaccinated against hepatitis b, you will be protected against hepatitis d virus. Hbv may also be transmitted from an infected mother to her newborn during delivery. The virus is present in bodily fluids, including blood, semen, vaginal fluids, tears, breast milk, and saliva. Some types of hepatitis e virus are spread by drinking water contaminated by an infected persons stool. Hepatitis a vaccine is also recommended for most cases of postexpo sure prophylaxis, although immunoglobulin is an acceptable alterna tive in some situations.
Occasionally a fever, dark urine, abdominal pain, and yellow tinged skin occurs. Cdc resources for hepatitis awareness month and testing day. Hepatitis is a virus that causes liver inflammation. The word hepatitis means inflammation of the liver. The most common causes of viral hepatitis are the five unrelated hepatotropic viruses hepatitis a, hepatitis b, hepatitis c, hepatitis d, and hepatitis e. Hbsag and antihbs, hbeag and antihbe, and antihbc igm and igg.