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.
hepatitis B (HB), a viral hepatitis caused by the hepatitis B virus (HBV), a hepadnavirus. The virus is transmitted by transfusion of contaminated blood or blood products, by sexual contact with an infected person, by the use of contaminated needles and instruments, or in utero. It can cause acute and chronic hepatitis.