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).
Definition. Hepatitis A is an inflammation of the liver caused by a virus, the hepatitis A virus (HAV). It varies in severity, running an acute course, generally starting within two to six weeks after contact with the virus, and lasting no longer than two or three months. form of viral hepatitis caused by an enterovirus that does not persist in the blood serum, is transmitted by ingestion of infected food and water, and has a shorter incubation and milder symptoms than hepatitis B.