Hepatitis a virus essay

Figure Electron micrograph of serum containing hepatitis B virus after negative staining. Symptoms of the virus are of the following: Hepatitis a virus essay major response of recipients of hepatitis B vaccine is to the common a epitope with consequent protection against all subtypes of the virus.

Hepatocyte harm dramas Viruss2 a function in the enlisting and activation of stellate cells and macrophages and the subsequent development of fibrosis [].

Other areas that are noted for the high level of chronic and serious hepatitis B are the southern parts of eastern and central Europe. Unfortunately this is about all most people know of Hepatitis. WHO Other factors that affect the chances of being infected by the chronic form of the virus are: Translocations and other chromosomal rearrangements also have been observed.

Hepatitis A has an incubation period of about four weeks.

Hepatitis Essay | Essay

Subsequent sequence analysis of the virus from one of these cases revealed a mutation in the nucleotide sequence encoding the a epitope, the consequence of which was a substitution of arginine for glycine at amino acid position It was isolated by Karsten K et Al.

The incubation period of hepatitis B is variable with a range of 1 to 6 months. Rarely does seroconversion to anti-HBs follow clearance of virus replication but, more frequently, HBsAg persists during a second phase of chronicity as a result of the expression of integrated viral DNA. These studies made available a pool of plasma which contained a relatively high titer of the agent.

This disease is transmitted through oral, vaginal, and anal sex. Hepatitis C usually leads to chronic hepatitis, culminating in cirrhosis in some people. When a person has contracted and then recovered from this virus, he or she is now immune for the remainder of his or her life and will not carry the virus.

Hepatitis D, the super man of Hepatitis's. Vaccination against HBV also prevents co-infection. The domain which binds to the specific HBV receptor on the hepatocyte is believed to reside within the pre-S1 region. Churchill Livingstone, Edinburgh, The strainer removes the noodles from the water like the liver removes the toxin from the blood.

The purpose of a persons liver is to filter out harmful toxins that get into the blood. Immune adherence hemagglutination, which had been widely used, is moderately specific and sensitive. This antibody is protective and persists for many years. Preliminary evidence that a trpE- HEV fusion protein protects cynomolgus macaques against challenge with wild-type hepatitis E virus.

It is also mentioned in the literature on this area that, " Most people in the region become infected with HBV during childhood.

Hepatitis B Essays and Research Papers

A similar class of peginterferon monotherapy yields a sustained response rate of merely 35 per centum. During HCV infection, hepatocyte programmed cell death could be induced by immune onslaught on septic cells or straight by viral infection.

Hepatitis descries the destructive affect of the viral invasion of the body and liver by six and separate viruses. It is spread through water, blood, body fluids. It has the symptoms of influenza, fever, vomiting, loss of appetite, and weakening of body, but it does have some differences such as jaundice a yellowing pigmentation of the skin and whites of the eyes and urine appears to be a darker color.

This is one of the viruses that is also very common in the third world countries. It is important, therefore, to protect those at risk because of personal contact with infected individuals or because of travel to a highly endemic area.

HCV nucleus protein induces oxidative DNA harm, while it inhibits programmed cell death accompanied by enhanced ROS production []bespeaking two independent functional facets.

Hepatitis A

Infections acquired later in life are of increasing clinical severity. These compounds were isolated from a new deep-water Alaskan sponge species of the genus Latrunculia. Accumulation of toxic substances causes metabolic abnormalcies that lead to damage in the cardinal nervous system encephalon and spinal cord.

E they would have to have medical attention as soon as symptoms appear.Hepatitis B. caused by the hepatitis B virus (HBV) Hepatitis C. caused by the hepatitis C virus (HCV) How is it spread?

Who should be vaccinated? Symptoms What treatment helps? How is it prevented? Viral hepatitis symptoms are similar no matter which type of hepatitis you have.

Essay on Hepatitis B Virus (HBV)

If symptoms occur, you might experience any or all of the following. Hepatitis C RNA assays to measure virus levels (viral load) Everyone born from to (the baby boomer generation) should get a one-time test for hepatitis C. Genetic testing is done to check for the type of hepatitis C (genotype).

Children often have the disease with few symptoms. You can spread the hepatitis A virus about 2 weeks before your symptoms appear and during the first. Hepatitis C Virus Hepatitis is an inflammation of the liver, which can be caused by several different viruses.

It can also be acute or chronic, depending on the particular virus and stage of the disease. Hepatitis C is a liver disease that is caused by the hepatitis C virus (HCV).

The virus enters the liver cells, uses the cell's inner genetic machinery to make copies of itself, which then infect more cells.

Hepatitis A virus (HAV) can cause liver inflammation. This is a highly contagious illness and the most common method of transmission of this virus is from the infected persons through fecal-oral route.

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Hepatitis a virus essay
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