<s>
An	O
immunization	B-Application
registry	I-Application
or	O
immunization	B-Application
information	I-Application
system	I-Application
(	O
IIS	O
)	O
is	O
an	O
information	O
system	O
that	O
collects	O
vaccination	O
data	O
about	O
all	O
persons	O
within	O
a	O
geographic	O
area	O
.	O
</s>
<s>
Immunization	B-Application
information	I-Application
systems	I-Application
(	O
IIS	O
)	O
are	O
an	O
important	O
tool	O
to	O
increase	O
and	O
sustain	O
high	O
vaccination	O
coverage	O
by	O
consolidating	O
vaccination	O
records	O
of	O
children	O
and	O
adults	O
from	O
multiple	O
providers	O
,	O
forecasting	O
next	O
doses	O
past	O
due	O
,	O
due	O
,	O
and	O
next	O
due	O
to	O
support	O
generating	O
reminder	O
and	O
recall	O
vaccination	O
notices	O
for	O
each	O
individual	O
,	O
and	O
providing	O
official	O
vaccination	O
forms	O
and	O
vaccination	O
coverage	O
assessments	O
.	O
</s>
