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 means inflammation of the liver. The liver is a vital organ that processes nutrients, filters the blood, and fights infections. When the liver is inflamed or damaged, its function can be affected. Hepatitis is most often caused by a virus.In the United States, the most common types of viral hepatitis are Hepatitis A, Hepatitis B, and Hepatitis C. Heavy alcohol use, toxins, some medications, and certain medical conditions can also cause hepatitis.epatitis A also can be spread through contaminated food or water. This most often occurs in countries where Hepatitis A is common, especially if personal hygiene or sanitary conditions are poor. Contamination of food can happen at any point: growing, harvesting, processing, handling, and even after cooking.