How Are Hepatitis B And Hepatitis C Spread From Person To Person
Like HIV, the hepatitis B and hepatitis C viruses spread:
- From mother to child: Pregnant women can pass these infections to their infants. HIV-HCV coinfection increases the risk of passing on hepatitis C to the baby.
- Sexually: Both viruses can also be transmitted sexually, but HBV is much more likely than HCV to be transmitted sexually. Sexual transmission of HCV is most likely to happen among gay and bisexual men who are living with HIV.
Is Hepatitis B Contagious
Hepatitis B is highly contagious. It spreads through contact with infected blood and certain other bodily fluids. Although the virus can be found in saliva, its not spread through sharing utensils or kissing. It also doesnt spread through sneezing, coughing, or breastfeeding. Symptoms of hepatitis B may not appear for 3 months after exposure and can last for 212 weeks. However, you are still contagious, even
To screen for hepatitis B, your doctor will perform a series of blood tests.
When To Call The Doctor
- The child has not felt hungry or wanted to eat in the past 24 hours.
- Your childs fever is over 100.4 degrees Fahrenheit for more than 2 days.
- Your child has a stomachache.
- Your child vomits more than 2 times in an hour.
- Your child’s skin or the white part of the eyes turns yellow.
- Your child is overly tired for more than 2 days.
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When To Get Medical Advice
Hepatitis B can be serious, so you should get medical advice if:
- you think you may have been exposed to the hepatitis B virus emergency treatment can help prevent infection if given within a few days of exposure
- you have symptoms associated with hepatitis B
- you’re at a high risk of hepatitis B high-risk groups include people born in a country where the infection is common, babies born to mothers infected with hepatitis B, and people who have ever injected drugs
A blood test can be carried out to check if you have hepatitis B or have had it in the past.
The hepatitis B vaccine may also be recommended to reduce your risk of infection.
What Is The Best Way To Prevent Hepatitis B
The best way to prevent hepatitis B is by getting vaccinated. You must complete the series of shots for full protection. All infants should receive their first dose of the hepatitis B vaccine within 24 hours of birth, followed by a second dose at 1 to 2 months, and a third dose at 6 to 18 months. Infants who did not receive a birth dose should begin the series as soon as possible.
All unvaccinated children and adolescents younger than 19 years of age should get vaccinated.
All adults 19 through 59 years of age are recommended to get vaccinated.
Adults 60 years and older with risk factors should get vaccinated.
A combination vaccine that provides protection against both hepatitis A and B is available for those age 18 years and older. This vaccine is a series of 3 shots over a period of 6 months.
Immune globulin gives short-term prevention of hepatitis B in people of all ages recently exposed to hepatitis B, but the vaccine is preferred for long-term prevention.
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How Much Does A Hepatitis B Titer Test Cost
The cost of a hepatitis B test varies based on where you get the test. Prices range from roughly $24 to $110.
Your insurance may cover some or all of the cost. Under the Affordable Care Act, all new health plans must cover preventative services including hepatitis B vaccination and testing without a deductible or copay.
Chronic Hepatitis B Complications
Chronic hepatitis B can lead to
- cirrhosis, a condition in which scar tissue replaces healthy liver tissue and prevents your liver from working normally. Scar tissue also partly blocks the flow of blood through the liver. As cirrhosis gets worse, the liver begins to fail.
- liver failure, in which your liver is badly damaged and stops working. Liver failure is also called end-stage liver disease. People with liver failure may require a liver transplant.
- liver cancer. Your doctor may suggest blood tests and an ultrasound or another type of imaging test to check for liver cancer. Finding cancer at an early stage improves the chance of curing the cancer.
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What Are The Complications Of Hepatitis B
The course of hepatitis B infection depends mostly on the age at which a person is infected.
People infected as infants are likely to develop long term infection and can get complications such as scarring of the liver or liver cancer. Infants have a 9 in 10 chance and children have a 3 in 10 chance of developing a chronic, lifelong infection.
People infected as teenagers or adults are likely to become unwell with symptoms , but have a smaller chance of developing a chronic infection. Others develop a silent infection, without any symptoms.
Most people infected as adults clear the virus from the body within 6 months. They develop immunity to future hepatitis B infections and do not develop long-term liver damage.
However, approximately 1 in 20 adults cannot clear the virus and develop chronic hepatitis B. They are at risk of developing complications such as cirrhosis and liver cancer in the longer term.
What Are Clinical Trials For Hepatitis B
Clinical trialsand other types of clinical studiesare part of medical research and involve people like you. When you volunteer to take part in a clinical study, you help doctors and researchers learn more about disease and improve health care for people in the future.
Researchers are studying many aspects of hepatitis B, such as
- progression of hepatitis B and long-term outcomes
- new treatments for hepatitis B
- prevention of reactivated or worsening hepatitis B in people receiving cancer treatment
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How Do You Get Hepatitis B
Hepatitis B is really contagious. Its transmitted through contact with semen , vaginal fluids, and blood. You can get it from:
having vaginal, anal, or oral sex
sharing toothbrushes and razors
sharing needles for shooting drugs, piercings, tattoos, etc.
getting stuck with a needle that has the Hep B virus on it.
Hepatitis B can also be passed to babies during birth if their mother has it.
Hepatitis B isnt spread through saliva , so you CANT get hepatitis B from sharing food or drinks or using the same fork or spoon. Hepatitis B is also not spread through kissing, hugging, holding hands, coughing, sneezing, or breastfeeding.
How Is Hepatitis B Treated
Your healthcare provider will treat you based on what type of hepatitis B you have, acute or chronic.
Acute hepatitis B infections
If you develop an acute form of the condition, you probably wont need medical treatment. Instead, your doctor will likely suggest that you get plenty of rest, drink lots of fluids and maintain a healthy diet to support your body as it fights off the infection.
Chronic hepatitis B infections
If you have chronic hepatitis B, you might be a candidate for drug therapy. Usually, drug therapy is used only if you have active liver disease. There are seven drugs that are approved by the U.S. Food and Drug Administration to treat hepatitis B. Two are injectable forms of interferon, while the five other antivirals are tablets.
You will need to take these medications every day. They help by slowing the viruss ability to multiply in your system. This helps reduce swelling and liver damage. Youll need to be regularly monitored for early signs of liver damage and liver cancer. Your healthcare provider will want to see you once or twice a year.
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Who Is At Risk For Hepatitis B
Anyone can get Hepatitis B, but some people are at greater risk and include:
- Infants born to a person infected with hepatitis B
- People who inject drugs or share needles, syringes, or other drug equipment
- Sex with a partner who has hepatitis B
- Men who have sex with men
- People who live with a person who has hepatitis B
- Health care and public safety workers exposed to blood on the job
- People on dialysis
- Developmentally disabled people who live in long-term care facilities
- People in prison
- People with diabetes, chronic liver disease, HIV infection, or hepatitis C infection
- Travelers to countries with high rates of hepatitis B
How Hcv Is Spread
The hepatitis C virus is transmitted primarily through blood to blood contact, meaning that a person can become infected with the virus should the blood of a person who carries the virus be introduced into another person’s bloodstream.
Therefore, as with hepatitis B, blood transfusions , tattooing and body piercing, occupational exposure, medical procedures, and intravenous drug use can all lead to possible exposure to the virus. Unlike hepatitis B, however, sexual contact and childbirth have both been shown to be an inefficient route of exposure to HCV.
The hepatitis G virus is thought to be transmitted in a similar way to HCV.
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What Treatments Are Available For Chronic Hepatitis B If Medications Dont Work
If you have advanced hepatitis B, you might also become a candidate for a liver transplant. This path does not always result in a cure because the virus continues in your bloodstream after a transplant. To prevent being infected again after your transplant, you may be prescribed hepatitis B immunoglobulin with an antiviral agent.
Hepatitis B In The United States
In the United States, about 862,000 people have chronic hepatitis B.6 Asian Americans and African Americans have higher rates of chronic hepatitis B than other U.S. racial and ethnic groups.10 Researchers estimate that about half of the people living with chronic hepatitis B in the United States are Asian Americans and Pacific Islanders.11 Chronic hepatitis B is also more common among people born in other countries than among those born in the United States.7
The hepatitis B vaccine has been available since the 1980s and, in 1991, doctors began recommending that children in the United States receive the hepatitis B vaccine. The annual rate of acute hepatitis B infections went down 88.5 percent between 1982 and 2015.12 In 2017, the annual number of hepatitis B infections rose in some states.13 Experts think the rise was related to increases in injection drug use. Injection drug use increases the risk of hepatitis B infection.
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How To Prevent Hepatitis B
Hepatitis B is a liver infection caused by a virus . It can be serious and theres no cure, but the good news is its easy to prevent. You can protect yourself by getting the hepatitis B vaccine and having safer sex. If you have oral, anal, and vaginal sex, use condoms and dental dams to help stop the spread of hepatitis B and other STDs.
What Are The Types Of Hepatitis B
There are two types of hepatitis B infection: acute and chronic.
An acute infection happens at the beginning, when you first get infected with hepatitis B. Many people are able to clear it from their bodies and recover. In fact, this is true of about 4 in 5 adults who are infected.
If you are not able to clear the infection within six months or longer, you have chronic hepatitis B. It is chronic hepatitis B that leads to inflammation and the serious, and possibly fatal, illnesses of cirrhosis of the liver and liver cancer. Treatment can slow disease progress, reduce the chance of liver cancer and increase your chances of surviving.
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Return To School Or Child Care
- Your child may return to normal daily activity when the childs doctor or the doctor who discharges him or her from the hospital says it is OK. This will be when your child is no longer jaundiced or vomiting.
- A child who scratches, bites or “gets into fights, has an overall skin condition, or a bleeding problem should probably not attend child care while he or she has hepatitis. Your childs doctor can help you make this decision.
If you have any questions, be sure to ask your childs doctor or nurse.
HH-I-43 10/76, Revised 10/15 Copyright 1976, Nationwide Childrens Hospital
How To Prevent Transmission
Between 2% and 6% of adults infected with hepatitis B virus will develop chronic hepatitis B. Chronic hepatitis B can lead to liver failure and liver cancer, so protecting yourself is important.
The hepatitis B vaccine is safe for almost everyone and about 95% effective for providing long-term protection against hepatitis B infection.
While anyone can benefit from the vaccine, people who are at a greater risk of being exposed to the virus because of their work, lifestyle or medical history are strongly encouraged to be immunized. In many countries, babies born to infected mothers get vaccinated at birth. All babies born in the United States are routinely vaccinated.
Hepatitis B immune globulin , is another way to prevent hepatitis B infection in babies born to infected mothers or after exposure to the virus. This uses concentrated antibodies to provide immediate protection. According to the Centers for Disease Control and Prevention, it is given as a shot and can provide short-term protection against hepatitis B.
Because the hepatitis B vaccine does not protect against HIV, hepatitis C or other diseases spread through sex and contact with blood, it’s still important to keep using basic protective strategies. Practicing safer sex and not sharing needles are recommended even if you’re immune to hepatitis B.
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Good Nutrition And Rest
- All family members should eat a well-balanced diet that includes foods shown in the graphic MyPlate . You can find more information about balanced nutrition on the website ChooseMyPlate.gov .
- All family members should get at least 8 hours of sleep each night.
- Young children who are ill should rest during the day when possible.
What Is Involved In A Liver Transplant
A liver transplant is considered necessary when the liver is damaged and cannot function or in some cases of liver cancer. Your liver is very important. It is responsible for many functions related to making sure that your body stays healthy and is able to digest foods.
You may be eligible for a transplant if you have chronic hepatitis B infection or some of the diseases that may result from it, including liver cancer and cirrhosis. You will have to complete testing and be evaluated before being approved for a transplant. It is likely that you will be placed on a waiting list while an appropriate organ is found.
Donated livers come from two types of donors: living and deceased. Because the liver can regenerate, it is possible to use part of a liver for transplant. The remaining sections in both the donor and the receiver will grow into livers of adequate size.
People who get liver transplants must take anti-rejection drugs for the rest of their lives. These drugs make you more susceptible to infection. However, liver transplants have become more successful over time and continue to improve.
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How Is It Transmitted
Hepatitis B is highly infectious, and is spread from one person to another through exposure to infected blood and body fluids . It can be spread through:
- blood transfusions or organ transplantation in countries where blood or blood products have not been properly screened for hepatitis B and other viruses transmitted through blood
- unprotected sex with an infected person
- sharing needles or equipment for injecting drugs
- unsterilized medical/dental equipment and shared/contaminated materials or equipment used for tattooing, body piercing or acupuncture
- sharing toothbrushes or razors
- household contact between family members
Prevention Tips For Hepatitis B
Hepatitis B Prevention Measures
Hepatitis B is a vaccine-preventable disease. More than 1 billion doses of the hepatitis B vaccine have been given worldwide, and it is considered to be a very safe and effective vaccine to protect infants, children and adults from hepatitis B. Learn more.
All sexual partners, family and close household members living with a chronically infected person should be tested and vaccinated. It is important to remember that hepatitis B is not spread casually! It is not spread by coughing, sneezing, hugging, cooking and sharing food. It is spread through direct contact with infected blood and bodily fluids.
Additional Prevention Measures
In addition to vaccination, there are other simple ways to help stop the spread of hepatitis B:
- Wash your hands thoroughly with soap and water after any potential exposure to blood
- Use condoms with sexual partners
- Avoid direct contact with blood and bodily fluids
- Clean up blood spills with a fresh diluted bleach solution
- Cover all cuts carefully
- Avoid sharing sharp items such as razors, nail clippers, toothbrushes, and earrings or body rings
- Discard sanitary napkins and tampons into plastic bags
- Avoid illegal street drugs
- Make sure new, sterile needles are used for ear or body piercing, tattoos, and acupuncture
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About The Hepatitis B Virus
The hepatitis B virus is a small DNA virus that belongs to the Hepadnaviridae family. Related viruses in this family are also found in woodchucks, ground squirrels, tree squirrels, Peking ducks, and herons.
Structure of the Hepatitis B Virus The hepatitis B virus contains an outer envelope and an inner core.
- The outer envelope of the virus is composed of a surface protein called the hepatitis B surface antigen or “HBsAg”. The HBsAg can be detected by a simple blood test and a positive test result indicates a person is infected with the hepatitis B virus.
- The inner core of the virus is a protein shell referred to as the hepatitis B core antigen or “HBcAg,” which contains the hepatitis B virus DNA and enzymes used in viral replication.
Life Cycle of the Hepatitis B Virus
The hepatitis B virus has a complex life cycle. The virus enters the host liver cell and is transported into the nucleus of the liver cell. Once inside the nucleus, the viral DNA is transformed into a covalently closed circular DNA , which serves as a template for viral replication . New HBV virus is packaged and leaves the liver cell, with the stable viral cccDNA remaining in the nucleus where it can integrate into the DNA of the host liver cell, as well as continue to create new hepatitis B virus. Although the life cycle is not completely understood, parts of this replicative process are error prone, which accounts for different genotypes or genetic codes of the hepatitis B virus.