Hepatitis B

Jonathan Jerez, Brandon Agront, Kassandra Ramos


An infectias disease which affects the liver can cause both acute & Chronic infections.


- Rapid onset of sickness with vomiting, yellow skin, feeling tired, dark urine, abdominal pain.
- Last few weeks & initial infection is rarely death.
- 180 days for symptoms to begin.


- Transmitted by exposure to infections blood or body fluids containing blood
- Infection around time of birth.
- Can come from sexual intercourse & intravenous drug abuse, blood transfusion with other human product.
- Refuse of contaminated needles.


- ASSAYS test for infection of Hepatitis B involves a serum or blood test that detect either viral antigens or anti-bodies produced by the host.
- HBsAg is the most frequently antigen shown during infections


- Acute Hepatitis B infection does not usually require a treatment because most adults clear the infection spontaneously. Early anti-viral treatment may be required in fewer than 1% of people.
- Treatment may be necessary to reduce the risk of CIRRHOSIS & live cancer
- Lasts for 6 months or a year depending on medication.


- A person with self limiting infection can clear it within weeks or months.
- 95% of people infected as adults older children will stage a protected immunity to the virus.
- For children only 30% to get rid of virus.
- 5% for babies to get rid of it.
- 40% lifetime risk of death from cirrhosis or hepatocellular carcihama.
- Of those infected between the age of one to six 70% will clear the infection.
- Virus can reoccur in some people due to drugs & alcohol.


1.) "Hepatitis B Fact Sheet N' 204"
who. int July 2014. Retrieved, 4 November 2014

2.) "Hepaitis B AWs for the public - Transmission"
U.S Centers for disease contrd and prevention (CDC). Retrieved 2011-11-29