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VIRUS
Virus or virion (in latin) means
poison. A virus is a small infectious
agent that can only replicate
inside the living cells of organisms.
Most viruses are too small to be
seen directly and can only be seen
in electron microscope. Virus is
one of the causes of diseases in
human, plants and animals.
Viruses are usually transferred
from one food to another, from a
food worker to a food or from a
contaminated water supply to
food. There are three viruses that
are primary importance to food
establishments: Hepatitis A virus,
Norwalk virus and Rotavirus.
