Hepatitis B is a caused by a
DNA . The transmission is by
(wounds, sexual relations, transfusions,
with contaminated material,
etc.). most common form of
disease is chronic, the patient
carries the virus life and the liver
suffers injuries that can
to cirrhosis or even hepatic cancer.
Another form the disease is acute,
fulminating, with symptoms
similar those of hepatitis A more
severe and sometimes . There are
persons that asymptomatic carriers
of the . The level of hepatic
is assessed by blood of hepatic
enzymes and hepaticbiopsy
(extraction of small of tissue to
be under the microscope).
Viral can be estimated
through (polymerase chain
reaction).