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.
Primary Cause of Hepatitis B. of transmission of an infectious agent by another person by one or more of the following: saliva, air, cough, fecal-oral route, surfaces, blood, needles, blood transfusions, sexual contact, mother to fetus, etc.
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).