Immune globulin is protective if given within 10-14 days of exposure. Exposure at regular school is not considered a close contact and therefore IG is not recommended except under unusual circumstances. Active immunization is now available and effective. Drug users sharing needles, promiscuous sexual contact. Carrier state may be accompanied by chronic liver infection leading to cirrhosis or cancer.
Carriers are just as contagious as active cases.
Active immunization available and effective. Most school personnel are not at high enough risk to warrant active immunization. Only occurs in combination with Hep B. Causes patient with Hep B to be sicker and more likely to develop chronic liver disease. Same features as Hep A, except causes more severe disease. So far, not seen in Western Europe or U.S., but cases have occurred in travelers.