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.
Causes of hepatitis B. You can become infected with hepatitis B if you are not immune (resistant) to the virus and you come into contact with the blood or body fluids of an infected person.Many people with hepatitis B do not know they are infected. The risk of hepatitis B for tourists is considered to be low.auses of hepatitis B. You can become infected with hepatitis B if you are not immune (resistant) to the virus and you come into contact with the blood or body fluids of an infected person.