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).
Hepatitis A is a virus, or infection, that causes liver disease and inflammation of the liver. Viruses can cause sickness. For example, the flu is caused by a virus.People can pass viruses to each other. Hepatitis A is an inflammatory disease of the liver caused by a virus. 2  The liver stores nutrients and vitamins, helps digest foods, helps prevent infections, and helps remove harmful substances from blood. 3  Hepatitis A viruses cause the disease termed hepatitis A.