The delta antigen was first identified in the nucleus of hepatocytes infected with hepatitis B virus (HBV). Hepatitis D is caused by the hepatitis delta virus (HDV), a defective RNA virus that can only cause hepatitis in individuals who are infected with HBV.lobally, hepatitis B virus (HBV) infection is the most common form of chronic hepatitis around the world. Chronic carriers can continue to transmit the disease for many years before becoming symptomatic. Infection occurs very often in early childhood when it is asymptomatic and then leads to the chronic carrier state.
Durham, North Carolina. Durham is a city in the U.S. state of North Carolina. It is the county seat of Durham County, though portions also extend into Wake County in the east and Orange County in the west. The U.S. Census Bureau estimated the city's population to be 251,893 as of July 1, 2014.
Durham is a census-designated place (CDP) in Butte County, California, United States. The population was 5,518 at the 2010 census. According to the United States Census Bureau, the CDP has a total area of 81.9 square miles (212.2 kmÂ²), of which, 81.8 square miles (211.9 kmÂ²) of it is land and 0.14 square miles (0.4 kmÂ²) of it (0.19%) is water.