|
VIRUS
|
NUCLEIC
ACID
|
CAN THE
VIRUS BE
CHRONIC?
|
CAUSE
|
MODE OF
TRANSMISSION
|
INCUBATION
PERIOD
|
SEROLOGY
|
TREATMENT
|
|
Hepatitis A
|
RNA
|
No
|
Hepatitis A Virus (HAV); member of the Picornaviridae family of viruses
|
Fecal-oral transmission
|
Average 28-30 days;
Range 15 to 50 days
|
Presence of Anti-HA, IgM
|
Supportive Care; HAV vaccine immune globulin (prophylactic)
|
|
Hepatitis B
|
DNA
|
Yes
|
Hepatitis B Virus (HBV); partially double-stranded DNA virus, enveloped, hepadnavirus
|
Bloodborne pathogen
|
Average 60-90 days;
Range 45-180 days
|
HBsAg (Hepatitis B surface antigen)
|
Hepatitis B recombinant vaccine; Alpha-interferon lamivudine
|
|
Hepatitis C
|
RNA
|
Yes
|
Hepatitis C Virus (HCV); ssRNA, enveloped, flavivirus
|
Bloodborne pathogen
|
Average 6-9 weeks;
Range 2 weeks - 6 months
|
Anti-HCV
|
Pegylated interferon-ribavirin
|
|
Hepatitis D
|
Incomplete RNA, requires presence of Hepatitis B for replication
|
Yes
|
Hepatitis D Virus (HDV); an incomplete virus. Helical nucleocapsid, which requires
the hepatitis B envelope (HbsAg) to be infectious
|
Bloodborne pathogen
|
Approximately 2-8 weeks
|
Anti-HDV
|
Hepatitis D recombinant vaccine; Alpha-interferon lamivudine
|
|
Hepatitis E
|
RNA
|
No
|
Hepatitis E Virus (HEV); Non-assigned
|
Fecal-oral transmission
|
Average 40 days;
Range 15-60 days
|
Anti-HEV
|
No treatment available at this time
|
|
Hepatitis G
|
RNA
|
Yes
|
Hepatitis G Virus (HGV); Flaviviridae
|
Bloodborne pathogen
|
Unknown
|
The only specific test for hepatitis G is by polymerase chain reaction assay
|
No treatment available at this time
|
Transfusion
Transmitted
Virus
|
RNA
|
Yes
|
TTY is unenveloped, single stranded DNA virus with 3739 nucleotides
|
Bloodborne, Fecal/Oral
|
Unknown
|
Polymerase Chain reaction test
|
Unknown
|