Is Herpes And Hepatitis The Same Thing – A virologist evaluates the genes of certain viruses. In one study of two different viruses, virus A and virus B, the virologist found that only virus A caused infection in the presence of virus B because B’s genetic material produced a protein that served both viruses A and B. He also noted that in In the absence of virus B, virus A cannot complete its replication and spread. Which of the following viruses is most likely to resemble virus A?
Hepatitis B, or hepatitis B virus for short, is a member of the hepatitis B family; Hepatitis D, or Hep D virus, is a deltavirus. Both cause hepatitis, or inflammation of the liver. Although both cause hepatitis, the hepatitis D virus cannot cause the disease on its own and requires replication of the hepatitis B virus.
Is Herpes And Hepatitis The Same Thing
Both hepatitis B and D viruses are enveloped, so they are surrounded by a membrane. Interestingly, both viruses contain hepatitis B virus proteins on their membranes, and in particular both have a surface antigen called HBs. Beneath the membrane is a protein shell called the capsid, which contains many antigens. The HB core, or HBc, is found on the surface of the hepatitis B virus. There is also the HB envelope, or HBe antigen for short, which is another type of HBc but is not actually part of the virus. It is secreted and can be found in the serum of infected individuals. Delta antigen or HDAg for short is present in the hepatitis D virus.
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Inside the capsid is the genetic material of the virus. Hepatitis B is a DNA virus, which means that its capsid is made up of double-stranded circular DNA, which is made up of a long strand and a short strand, so there is a part where the long strand is one strand. It also has DNA polymerase, which is an enzyme with DNA- and RNA-dependent activity, meaning it can convert DNA into RNA and vice versa. Hepatitis D virus, on the other hand, is an RNA virus, so its capsid is composed of single-stranded circular RNA in a coiled-coil pattern so that host cell enzymes can use it as double-stranded DNA.
The main source of hepatitis B virus is the blood, but it can also be found in other body fluids such as milk, amniotic fluid, vaginal fluid and semen. Thus, transmission routes include: sexual contact; Contaminated blood or after transfusions or injections with contaminated needles, the latter is common among intravenous drug users. The virus can also be passed from an infected mother to her baby during childbirth. In rare cases during pregnancy, the virus can cross the placental barrier, which is a very thin wall that brings the blood of the mother and fetus very close together, allowing them to exchange certain substances such as oxygen, IgG antibodies, debris and waste. unfortunately, some germs. The virus can usually be passed from an infected person to a baby during childbirth due to close contact between the person’s blood and the baby’s fluids. It is unclear whether Title C will protect against this type of transfer. The hepatitis D virus spreads in the same way, but only causes illness in people with an active hepatitis B infection.
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Viral hepatitis is an infection of liver cells by a virus. There are five main hepatitis viruses: A, B, C, D and E. The severity of the disease and the treatment required depends on the type of hepatitis and the person, sometimes leading to cirrhosis or cancer. Jaundice is characterized by yellow skin color (jaundice or jaundice), dark urine, nausea, vomiting and abdominal pain.
Hepatitis A: An acute viral hepatitis caused by the hepatitis A virus. It is usually caused by contaminated food or water.
Hepatitis A is a viral liver disease that is usually spread by ingesting food or water contaminated with feces. Luckily, there is a vaccine to prevent the spread. What are the symptoms and are there treatments?
Hepatitis B: acute viral hepatitis caused by the HBV virus. It is spread from person to person through sex, contact with blood or contaminated material.
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Hepatitis C: Acute or chronic hepatitis caused by the HCV virus or toxin use (alcohol, drugs, etc.).
Hepatitis C: symptoms, treatment, infection: A viral liver disease goes undetected for a long time, so every third person does not know that he has it. Updated information on symptoms, nature of infestation, treatment and recovery options.
Hepatitis D: Acute or chronic hepatitis caused by the HDV virus, which requires the hepatitis B virus to produce. Hepatitis D cannot exist without hepatitis B.
Hepatitis E: Viral hepatitis is transmitted from animals to humans. It is most often transmitted by eating raw or undercooked pork.
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Less known than hepatitis B and C, hepatitis E is also a liver disease. WHO estimates that hepatitis E causes more than 44,000 deaths per year worldwide. How’s the transfer? Is it contagious? What are the warning signs and what are the risks? Update this liver disease.
Acute viral hepatitis: It can be acute, meaning it occurs over a period of time and goes away on its own, like hepatitis A, or it can become chronic after infection, like hepatitis C. Or hepatitis C is a very mild form of hepatitis B. “Symptoms” Viral hepatitis usually resembles the flu with fever, fatigue, joint pain, headache and sometimes digestive symptoms, followed by yellowing of the skin and mucous membranes called jaundice.
Chronic hepatitis: A chronic liver infection that often occurs after acute hepatitis. Chronic hepatitis is more severe, with possible progression to cirrhosis or liver cancer. Be aware that other viruses, such as cytomegalovirus (CMV) or herpes virus, can cause hepatitis.
Complete hepatitis: Complete hepatitis is a rare syndrome combining extensive necrosis of the liver parenchyma and shrinkage of the liver (acute atrophy) that occurs following infection with certain hepatitis viruses or exposure to toxins or drugs. Hepatitis B virus is sometimes the cause of acute hepatitis, and up to 50% of cases of full-blown hepatitis B indicate infection with hepatitis D virus.
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Viral hepatitis is caused by a viral infection. In developed countries, hepatitis A, B and C viruses cause up to 90% of cases of acute hepatitis. Hepatitis D and E are also causes of hepatitis.
Non-viral hepatitis usually occurs when toxic substances (alcohol, drugs, pesticides, etc.) enter the liver. They can also be the result of diseases that affect the liver, such as fatty liver (NASH or “fatty liver”).
Hepatitis is transmitted in different ways depending on the virus: accidental ingestion of hepatitis A feces, body fluids such as saliva, genital secretions, or other hepatitis blood contamination.
The hepatitis cleared up in a few weeks without treatment. We see forms that take several weeks to heal. Hepatitis never develops into a chronic infection (such as hepatitis B or hepatitis C). Hepatitis A is curable and provides lifelong immunity (secondary infection with the HAV virus is unlikely).
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Acute hepatitis B is curable in most cases (more than 90%). If the acute infection is not cured, hepatitis B progresses to chronic infection, defined as the persistence of the virus in the body for more than six months. Chronic hepatitis B occurs in 2–10% of cases and requires long-term monitoring and sometimes treatment.
In 90% of cases, hepatitis C goes undetected; It can then be diagnosed by testing for hepatitis C. Acute hepatitis C can develop in two different ways:
Recovery in 15–30% of cases; 70 to 85% of cases of chronic hepatitis C (chronic hepatitis). Chronic hepatitis C is defined as the persistence of the virus in the body for more than six months.
There are vaccines for hepatitis A and B. The hepatitis A vaccine is only used for people who have been exposed to the virus. This significantly reduces the risk of contracting this infection.
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