Booklice, also called psocids, are not true lice. While they resemble lice in size and shape, booklice feed only on fungi or mold. If you find them in grain or other stored food products, it is an indication of high humidity which encourages mold growth.
THE VIRUS. Hepatitis B is the worldâs most common liver infection. Hep B is a serious and potentially deadly liver infection. It is caused by becoming infected with the hep B virus (HBV). It can cause serious liver problems like inflammation, fibrosis, cirrhosis, and liver cancer. In the U.S., chronic (long-term) hep B affects many people.
INFECTIOUS AGENT. Hepatitis B is a disease caused by hepatitis B virus (HBV), a small, circular, partially double-stranded DNA virus in the Hepadnaviridae family. TRANSMISSION. HBV is transmitted by contact with contaminated blood, blood products, and other body fluids (such as semen).