There are three forms of hepatitis:
- Hepatitis A (Infectious Hepatitis)
- Hepatitis B (Serum Hepatitis, Transfusion Hepatitis)
- Non-A, Non-B Hepatitis
- Transmitted through close personal contact (oral or fecal)
- Affects children and young adults more often
- Is not associated with chronic hepatitis or a carrier status
- Has an incubation period of 2-6 weeks, followed by an abrupt onset
- Hepatitis A IgM will be elevated from 6-14 weeks after infection.
- Transmitted parenterally (drug injection or transfusion)
- 10% become carriers
- Has an incubation period of 6-26 weeks, followed by a gradual onset of
symptoms and signs.
- Hepatitis B Surface Antigen appears in the serum from 4-12 weeks
- Hepatitis B Core Antibody appears within 6-14 weeks
- Hepatitis B Surface Antibody appears 4-10 months following infection,
indicating clinical recovery and immunity to the Hep B virus
Hepatitis, Non-A, Non-B
*These are general values taken from a variety of
sources. The actual normal values may vary from lab to lab and from one
type of testing protocol to another.
Operational Medicine 2001, Health
Care in Military Settings, NAVMED P-5139, May 1, 2001, Bureau
of Medicine and Surgery, Department of the Navy, 2300 E Street NW, Washington,
Military Obstetrics & Gynecology
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