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, NC. Sponsored Topics. Part of the North Carolina Piedmont region known as âThe Triangle,â the once-gritty tobacco town of Durham has blossomed into one great place to visit and to live. With the capital, Raleigh, and the liberal college town of Chapel Hill forming the other two points of the Triangle, the district borrows its name from Research Triangle Park. This 7,000-acre high-tech research and development district headquarters more than 170 international companies and employs some 39,000 people.