Distance learning courses in public policy focus on the systematic study of management and executive organization. Students may explore topics in administrative law, executive-legislative relations, public budgetary processes and financial management.
Hepatitis A (formerly known as infectious hepatitis) is an acute infectious disease of the liver caused by the hepatitis A virus (HAV).Many cases have few or no symptoms, especially in the young. The time between infection and symptoms, in those who develop them, is between two and six weeks.epatitis A (formerly known as infectious hepatitis) is an acute infectious disease of the liver caused by the hepatitis A virus (HAV).
Until 2004, hepatitis A was the most frequently reported type of hepatitis in the United States. In the pre-vaccine era, the primary methods used for preventing hepatitis A were hygienic measures and passive protection with immune globulin (IG). Hepatitis A vaccines were licensed in 1995 and 1996.