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 infection is caused by the hepatitis B virus (HBV).You can catch hepatitis B through contact with the blood or body fluids (semen, vaginal fluids, and saliva) of a person who has the virus. Exposure may occur: 1  After a needle stick or sharps injury.