======Hepatitis======

=====Hepatitis A=====
  * Incubation period: 1-2 weeks?
  * Vaccination
    * Ideally two vaccinations six months apart
    * Children vaccinated between 12-13 months of age
  * Immunoglobulin
    * HAV Immunoglobulin considered for houshold contacts of patients with acute hepatitis A.
      * When administered within 2 weeks, 80-90% effective.
      * When administered later, may not prevent HAV, but can attenuate symptoms.

=====Hepatitis B=====
  * Incubation period: 2-3 months
  * Window period: check core IgM and HBsAg

  ^  ^  HBsAg  ^  HBsAb  ^  HBcIgM  ^   HBcIgG  ^  HBeAg  ^  HBeAb  ^  HBV DNA  ^  
  | Acute infection | + | - | +  | - | + | - | + |
  | Resolved infection | - | + | -  | + | - | + | - |
  | Vaccinated | - | + | -  | - | - | - | - |
  | Chronic infection | + | - | +  | - | + | - | + |
  | Inactive carrier | + | - | -  | + | +/- | + | - |
  | Active carrier | + | - | -  | + | +/- | + | + |