Every year on July 28th, World  Hepatitis Day 
aims to increase the awareness and understanding of viral hepatitis  as a
 major global health threat. 
All types of viral hepatitis can cause  
inflammation of the liver; however, hepatitis B and C infection can 
result in a  lifelong, chronic infection.
 The World  Health Organization (WHO) estimates that 
nearly 400 million people have chronic  viral hepatitis worldwide and 
most of them do not  know they are infected. 
More than  1 million people
 die each year from causes related to viral hepatitis, commonly  
cirrhosis and liver cancer.
The date of July 28th was chosen for  World Hepatitis
 Day in honor of the birthday of Nobel Laureate Professor Baruch  Samuel
 Blumberg, who discovered the hepatitis B virus. 
                
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Hepatitis A
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- Hepatitis A is a liver disease caused by the hepatitis A virus that can cause mild to severe illness but does not lead to chronic infection.
 - Globally, there are an estimated 1.4 million cases of hepatitis A every year.
 - The hepatitis A virus is spread by ingestion of contaminated food and water, or through direct contact with an infectious person.
 
Hepatitis A is a virus that is usually spread through
 food or water contaminated with  fecal matter—even in microscopic 
amounts. 
This occurs most often in countries  where Hepatitis A is 
common, especially where there is a lack of safe  water and poor 
sanitation.
Although rare, foodborne outbreaks of Hepatitis A 
still occur in the  United States. 
Contamination  of food can happen at 
any point: growing, harvesting, processing, handling, and  even after 
cooking.  
The best way to  prevent getting infected with Hepatitis A is 
to get a safe, effective vaccine. 
In the United States, the Hepatitis A
 vaccine is  recommended for all children at age 1 and adults at risk of
 infection. 
                
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                Hepatitis B
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- Hepatitis B is a serious liver disease caused by the hepatitis B virus that can cause both acute and chronic disease.
 - Globally, there are an estimated 240 million people living with chronic Hepatitis B.
 - The hepatitis B virus is spread through contact with the blood or other body fluids of an infected person.
 
The best way to prevent getting infected with 
Hepatitis B  is to get vaccinated.
In the United States, the Hepatitis B
 vaccine  is recommended for all babies at birth and adults at risk of 
infection. 
Hepatitis B is common in many areas across the  
world, especially Asian and African countries. 
Left untreated, up to 25 
percent  of people with hepatitis B develop serious liver problems such 
as cirrhosis and  even liver cancer.  
The good news is that  treatments 
are available that can help slow down or prevent liver damage. 
CDC launched Know Hepatitis B,a
  national, multilingual campaign aiming to increase testing for 
Hepatitis B  among Asian Americans and Pacific Islanders (AAPIs) in 
2013. 
An estimated 1 in  12 AAPI is living with hepatitis B, but most 
don't know they are infected. 
The  campaign delivers culturally relevant
 messages in English, Chinese, Korean and  Vietnamese. 
The Know 
Hepatitis B campaign was created in partnership with Hep B United
, a coalition of Asian community groups from around the country. 
Visit www.cdc.gov/knowhepatitisb for more information.
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Hepatitis C
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- Hepatitis C is a serious liver disease caused by the hepatitis C virus that can cause both acute and chronic disease.
 - Globally, there are an estimated 130–150 million people living with chronic Hepatitis C.
 - The hepatitis C virus is a bloodborne virus.
 - There is currently no vaccine for hepatitis C.
 
 Unlike  Hepatitis A and Hepatitis B, there is no vaccine available 
to prevent Hepatitis  C. 
The best way to prevent Hepatitis C is by 
avoiding behaviors that can spread  the disease, such as sharing needles
 or other equipment to prepare and inject  cosmetic substances, drugs, 
or steroids.
In  addition to recommending testing for anyone at risk for 
infection, CDC also recommends  that everyone born from 1945-1965 get a 
blood test for hepatitis C. 
People born  during these years are five 
times more likely to be infected and account for  more than three out of
 every four Americans living with hepatitis C. 
CDC's national Know More Hepatitis campaign educates people born from 1945-1965 about the  importance of getting tested. 
People with Hepatitis C often have no symptoms  and can live with the
 disease for decades without feeling sick. 
Even without  symptoms, liver
 damage may be silently occurring. Fortunately, new treatments  are 
available that can cure Hepatitis C.
                Do you need to be tested or vaccinated?
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Find  out if you should get tested or vaccinated by taking CDC's 5 minute online Hepatitis Risk Assessment.
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More Information
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- CDC Viral Hepatitis webpage
 - World Health Organization (WHO) – World Hepatitis Day
 - World Hepatitis Alliance – World Hepatitis Day
 - WHO       Global Policy Report on the Prevention and Control of Viral Hepatitis
 - Presidential Proclamation 2011-World Hepatitis Day
 - AIDS.gov       World Hepatitis Day webpage
 - Follow @CDChep
on Twitter for information about #WorldHepatitisDay
 - Get viral hepatitis email updates from CDC through GovDelivery