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