Our immune system battles foreign invaders every day, such as when we get a cold virus.
In addition, a mother can pass hepatitis B to her baby during birth.
Hepatitis B cannot be spread by contaminated water, food, cooking, or eating utensils, or by breastfeeding, coughing, sneezing, or close contact such as kissing and hugging.
When you get a dose of the vaccine, he says, your immune cells respond by developing immunity against the virus. "So if I get these two doses of hepatitis A vaccine, and then I get exposed 30 years from now, my body will remember that immunity to the vaccine and rapidly start producing antibodies again," says Poland.
Due to the way hepatitis vaccinations are developed, it is impossible to contract the virus from the vaccine itself, according to Poland.
"They're very safe, and they're extremely effective," says Poland.
If you are not sure whether you should have hepatitis vaccines, talk with your doctor about your specific concerns.
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You may have a family member who has viral hepatitis. Hepatitis is an inflammation of the liver, most often caused by a viral infection.
Or perhaps you recently saw a news brief about a celebrity who contracted hepatitis A or B. There are three common types of hepatitis caused by viruses: hepatitis A, hepatitis B, and hepatitis C.
Whatever the reason, you want information about a viral illness that you may not have thought much about. Vaccines have been developed that protect people from contracting hepatitis A and B. Hepatitis A and hepatitis B can be spread from person to person, although in different ways. The hepatitis A virus is found in the stool of the infected person.
Most people who get hepatitis A recover completely within two weeks to six months and don't have any liver damage.