<s>
AIDS	B-Device
is	O
a	O
prominent	O
example	O
in	O
modern-day	O
society	O
of	O
a	O
mixed	O
diffusion	O
disease	O
,	O
often	O
spreading	O
along	O
the	O
hierarchal	O
,	O
network	O
,	O
and	O
contagious	O
diffusion	O
patterns	O
.	O
</s>
<s>
The	O
value	O
of	O
mapping	O
and	O
Geographic	B-Application
Information	I-Application
Systems	I-Application
(	O
GIS	B-Application
)	O
is	O
becoming	O
better	O
known	O
to	O
public	O
health	O
professionals	O
to	O
help	O
link	O
disease	O
control	O
to	O
prevention	O
efforts	O
,	O
which	O
can	O
aid	O
in	O
developing	O
better	O
immunization	O
programs	O
.	O
</s>
<s>
GIS	B-Application
is	O
an	O
excellent	O
tool	O
used	O
to	O
identify	O
spatial	O
patterns	O
and	O
core	O
areas	O
of	O
disease	O
transmission	O
.	O
</s>
