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.
The hepatitis B virus can cause temporary or long-term (chronic) hepatitis. The initial infection with the virus may not even cause symptoms. People that do develop symptoms following initial infection with the virus have acute hepatitis. Most of them will clear the virus from their liver and blood.