A communicable disease is one that is spread from one
person to another through
a variety of ways that include: contact with blood and bodily fluids;
breathing
in an airborne virus; or by having contact with a little bug called lice.
For
the most part, communicable diseases are spread through viruses and
bacteria
that live in blood and body fluids. For instance, hepatitis and Human
Immunodeficiency
Virus (HIV) are examples of infections that can be carried in
blood
and bodily fluids. On the other hand, tuberculosis is an airborne disease.
A
person with Tuberculosis (TB) can spread tiny germs that float in the air if
they
cough
or sneeze without covering their nose or mouth. And, there are some
communicable
diseases like head lice that are caused by a live lice bug that is
spread
by using an infected comb or wearing a hat that is infested with lice. For
more
information about how to reduce potential exposure to communicable
diseases,
see Chapter 12 on Safety. Let’s take a closer look at some
communicable
diseases.
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