Inoculum
Dose -
It
refers
to
the
number
of
parasites
that
must
be
taken
into
the
body
in
order
for
a
disease
to
be
established.
For
example,
injection
of
one billion
typhoid
bacilli
in
contaminated
water
will
perhaps
lead
to
disease.
Cholera
bacilli
number
may
be
even
more,
as
most
them
are
susceptible
to
stomach
acid
