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Important Forms Linked Below:

School Requirements

Medical Exemption Form (2018)

Religious Exemptions

History of Varicella


Vaccines Required for School Attendance, Preschool-12th Grade
As of October 2015




Haemophilus influenza Type B

1 dose (given on or after the 1st birthday, unless child is older than 59 months)2

None Needed

Diphtheria, Tetanus, and
(DTaP, DT, Td, Tdap)

4 doses

4 doses (one dose must be given on or after 4th birthday)3,4
1 dose of Tdap (prior to entering 7th grade)6

Polio (IPV or OPV)

3 doses

3 doses (one dose must be given on or after 4th birthday)

Measles, Mumps, and Rubella

1 dose  (dose must be given on or after 1st birthday)

2 doses (first dose must be given on or after 1st birthday, and spacing between doses is 4 weeks)

Varicella “chickenpox”

1 dose (dose must be given on or  after 1st birthday)6

2 doses (first dose must be given on or after 1st birthday, spacing between doses is 12 weeks for children under 13 years, and 4 weeks for those 13 years and older)5,6


1Per MCA 20-5-402 a preschool is defined as a facility that provides, on a regular basis and as its primary purpose, educational instruction designed for children 5 years of age or younger and that: (a) serves no child under 5 years of age for more than 3 hours a day; and (b) serves no child 5 years of age for more than 6 hours a day.

2Hib vaccine is not recommended for children older than 59 months.

3DT vaccine administered to pupils less than seven years of age is acceptable only if accompanied by a medical exemption that exempts the pupil from pertussis vaccination per ARM 37.114.705.

4A pupil 7 years or older who has not completed the DTaP requirement must receive additional doses of Td/Tdap vaccine to reach a minimum of 3 doses of any combination of DTaP, Td, Tdap or DTP per ARM 37.114.705.

5While it is not recommended, if a child younger than 13 years receives their second dose of varicella at an interval of 4 weeks or longer, the dose does not need to be repeated.

6As of October 1, 2015 pupils are required to have varicella vaccine and all pupils 7th -12thgrade must have a Tdap vaccine.

Note: A four day grace period may apply, as appropriate, per the Advisory Committee on Immunization Practice (ACIP) recommendations.


The Flathead County Health Department Immunization Clinic is located at:
1035 1st Ave W
1st Floor
No child will be denied vaccine due to inability to pay.
For more information on immunization: