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Hepatitis (B (transmission (wound to wound = rare, IV drug user, infected…
Hepatitis
B
dsDNA
hepadnaviridae
blood borne - human specific
vaccine + medicines available
infectivity outside body
transmission
wound to wound = rare
IV drug user
infected mother
accidental needle transfer
sharing abrasion instruments
sexual transmission = most common
antigenic markers
HBsAG (S)
in serum 30-60 days following exposure
HBcAG (C)
core marker
capsid protein
difficult to detect in serum
present in liver biopsy
greater infant infectivity than (S)
C
ssRNA
flavi-virus
blood-borne
chronic carrier status
human specific
pa
percutaneous punctures
D
only replicates in the presence of B
human specific
blood borne
no vaccine available
delta agent = defective virus
ssRNA
A
ssRNA
non-chronic carrier status
picorna-virus
fecal oral
vaccine available
E
ssRNA
calciviridae
fecal oral
zoonotic
non-chronic carrier status
General Information
an inflammatory condition of the liver
most common cause in viral infection
autoimmune hepatitis
secondary hepatitis
alcohol
medication
drugs
Symptoms
Symptoms
flu-like symptoms
dark urine
fatigue
pale/clay colored stool
abdominal pain
appetite loss
joint pain
intense itching
unexplained weight loss
jaundice
elevated liver enzymes