Immunization Rules (Vermont)
Last Modified on 05/28/2026 10:00 am CDT
Tool Search: Vaccine Setup
Health vaccines and their associated compliance listings are based on state guidelines. While Infinite Campus maintains standard guidelines for all states, districts have the ability to enter additional compliances. The following information describes vaccine compliance rules as defined by the Vermont State Department of Health.
For more information on the creation, modification or deletion of vaccine compliances, see the Vaccine Setup page.
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General Compliance
- All doses should be given after 6 weeks (except Hepatitis B).
- Rules for students below kindergarten are based on Vermont's recommended schedule, but rules are enforced for K-12.
- In Process rules are called Grace Period. Grace Period rules are considered Non-Compliant.
DTaP
| Rule | Requirements |
|---|
Under 2 months No Requirement | Students who are 1 month old or younger do not need any doses of the DTaP vaccine. |
Preschool 2-3 months - 1 dose Compliant | Students are considered compliant when:- They are at least 2 months old but no older than 3 months.
- They are in state grade(s) IT: Family/Infant/Toddler Program, EE: Ess Early Ed, or PK: Pre-Kindergarten.
- They receive one dose of the DTaP, Td, or Tdap vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 42 days with a 4-day tolerance.
|
Preschool 4-5 months - 2 doses Compliant | Students are considered compliant when:- They are at least 4 months old but no older than 5 months.
- They are in state grade(s) IT: Family/Infant/Toddler Program, EE: Ess Early Ed, or PK: Pre-Kindergarten.
- They receive two doses of the DTaP, Td, or Tdap vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 42 days with a 4-day tolerance.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
|
Preschool 6-18 months - 3 doses Compliant | Students are considered compliant when:- They are at least 6 months old but no older than 18 months.
- They are in state grade(s) IT: Family/Infant/Toddler Program, EE: Ess Early Ed, or PK: Pre-Kindergarten.
- They receive three doses of the DTaP, Td, or Tdap vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 42 days with a 4-day tolerance.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- The difference between the third and previous dose is greater than or equal to 28 days with a 4-day tolerance.
|
Preschool - 4 doses Compliant | Students are considered compliant when:- They are in state grade(s) IT: Family/Infant/Toddler Program, EE: Ess Early Ed, or PK: Pre-Kindergarten.
- They receive four doses of the DTaP, Td, or Tdap vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 42 days with a 4-day tolerance.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- The difference between the third and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- The difference between the fourth and previous dose is greater than or equal to 6 months with a 4-day tolerance.
|
5 doses Compliant | Students are considered compliant when:- They receive five doses of the DTaP, Td, or Tdap vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 42 days with a 4-day tolerance.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- The difference between the third and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- The difference between the fourth and previous dose is greater than or equal to 6 months with a 4-day tolerance.
- The difference between the fifth and previous dose is greater than or equal to 6 months with a 4-day tolerance.
- The difference between the fifth dose and the student's birthdate is greater than or equal to 48 months with a 4-day tolerance.
|
4 doses Compliant | Students are considered compliant when:- They receive four doses of the DTaP, Td, or Tdap vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 42 days with a 4-day tolerance.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- The difference between the third and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- The difference between the fourth and previous dose is greater than or equal to 6 months with a 4-day tolerance.
- The difference between the fourth dose and the student's birthdate is greater than or equal to 48 months with a 4-day tolerance.
|
3 dose Grace Period | Students are considered in a grace period when:- They receive three doses of the DTaP, Td, or Tdap vaccine.
- The difference between the last dose and the effective date is less than or equal to 5 months with a 1-day tolerance.
|
2 dose Grace Period | Students are considered in a grace period when:- They receive two doses of the DTaP, Td, or Tdap vaccine.
- The difference between the last dose and the effective date is less than or equal to 28 days with a zero-day tolerance.
|
1 dose Grace Period | Students are considered in a grace period when:- They receive one dose of the DTaP, Td, or Tdap vaccine.
- The difference between the last dose and the effective date is less than or equal to 28 days with a zero-day tolerance.
|
Default Non-Compliant | N/A |
Polio
| Rule | Requirements |
|---|
Under 2 months No Requirement | Students who are 1 month old or younger do not need any doses of the Polio vaccine. |
Preschool - 1 dose Compliant | Students are considered compliant when:- The student is no older than 3 months old.
- They are in state grade(s) IT: Family/Infant/Toddler Program, EE: Ess Early Ed, or PK: Pre-Kindergarten.
- They receive one dose of the IPV, OPV, or IPV/OPV Polio vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 42 days with a 4-day tolerance.
|
Preschool - 2 dose Compliant | Students are considered compliant when:- They are at least 4 months old but no older than 5 months old.
- They are in state grade(s) IT: Family/Infant/Toddler Program, EE: Ess Early Ed, or PK: Pre-Kindergarten.
- They receive two doses of the IPV, OPV, or IPV/OPV Polio vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 42 days with a 4-day tolerance.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
|
Preschool - 3 dose Compliant | Students are considered compliant when:- They are in state grade(s) IT: Family/Infant/Toddler Program, EE: Ess Early Ed, or PK: Pre-Kindergarten.
- They receive three doses of the IPV, OPV, or IPV/OPV Polio vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 42 days with a 4-day tolerance.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- The difference between the third and previous dose is greater than or equal to 28 days with a 4-day tolerance.
|
3 doses IPV Compliant | Students are considered compliant when:- They receive three doses of the IPV or IPV/OPV Polio vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 42 days with a 4-day tolerance.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- The difference between the third and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- The difference between the third dose and the student's birthdate is greater than or equal to 48 months with a 4-day tolerance.
|
3 doses OPV Compliant | Students are considered compliant when:- They receive three doses of the OPV or IPV/OPV Polio vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 42 days with a 4-day tolerance.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- The difference between the third and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- The difference between the third dose and the student's birthdate is greater than or equal to 48 months with a 4-day tolerance.
|
4 doses Compliant | Students are considered compliant when:- They receive four doses of the IPV, OPV, or IPV/OPV Polio vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 42 days with a 4-day tolerance.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- The difference between the third and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- The difference between the fourth and previous dose is greater than or equal to 28 days with a 4-day tolerance.
|
Last Dose Grace Period | Students are considered in grace period when:- They receive one dose of the IPV, OPV, or IPV/OPV Polio vaccine.
- The difference between the last dose and the effective date is less than or equal to 28 days with a zero-day tolerance.
|
Default Non-Compliant | N/A |
Measles Mumps Rubella
| Rule | Requirements |
|---|
15 months and Younger No Requirement | Students 15 months old and younger are not required to receive any doses of the MMR vaccine. |
Preschool 1M 1M 1R Compliant | Students are considered compliant when:- They are in state grade(s) IT: Family/Infant/Toddler Program, EE: Ess Early Ed, or PK: Pre-Kindergarten.
- They receive one dose of the Measles vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 12 months with a 4-day tolerance.
- They receive one dose of the Mumps vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 12 months with a 4-day tolerance.
- They receive one dose of the Rubella vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 12 months with a 4-day tolerance.
|
Preschool 1 MMR Compliant | Students are considered compliant when:- They are in state grade(s) IT: Family/Infant/Toddler Program, EE: Ess Early Ed, or PK: Pre-Kindergarten.
- They receive one dose of the MMR or MMRV vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 12 months with a 4-day tolerance.
|
1MMR 1M 1M 1R Compliant | Students are considered compliant when:- They receive two doses of the Measles, MMR, or MMRV vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 12 months with a 4-day tolerance.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- They receive two doses of the Mumps, MMR, or MMRV vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 12 months with a 4-day tolerance.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- They receive two doses of the Rubella, MMR, or MMRV vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 12 months with a 4-day tolerance.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
|
2M 2M 2R Compliant | Students are considered compliant when:- They receive two doses of the Measles vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 12 months with a 4-day tolerance.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- They receive two doses of the Mumps vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 12 months with a 4-day tolerance.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- They receive two doses of the Rubella vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 12 months with a 4-day tolerance.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
|
2MMR Compliant | Students are considered compliant when:- They receive two doses of the MMR or MMRV vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 12 months with a 4-day tolerance.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
|
1 MMR Grace Period | Students are considered in grace period when:- They receive one dose of the MMR or MMRV vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 12 months with a 4-day tolerance.
- The difference between the last dose and the effective date is less than or equal to 28 days with a zero-day tolerance.
|
1M 1M 1R Grace Period | Students are considered in grace period when:- They receive one dose of the Measles vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 12 months with a 4-day tolerance.
- The difference between the last dose and the effective date is less than or equal to 28 days with a zero-day tolerance.
- They receive one dose of the Mumps vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 12 months with a 4-day tolerance.
- The difference between the last dose and the effective date is less than or equal to 28 days with a zero-day tolerance.
- They receive one dose of the Rubella vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 12 months with a 4-day tolerance.
- The difference between the last dose and the effective date is less than or equal to 28 days with a zero-day tolerance.
|
Default Non-Compliant | N/A |
Hepatitis B
| Rule | Requirements |
|---|
1 dose Compliant | Students are considered compliant when they are no older than 1 month old and they have received one dose of the Hepatitis B vaccine. |
2 dose Compliant | Students are considered compliant when:- They are no older than 5 months old.
- They receive two doses of the Hepatitis B vaccine.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
|
3 doses Compliant | Students are considered compliant when:- They receive three doses of the Hepatitis B vaccine.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- The difference between the third and previous dose is greater than or equal to 56 days with a 4-day tolerance.
- The difference between the third and the two previous doses is greater than or equal to 112 days with a 4-day tolerance.
- The difference between the last dose and the student's birthdate is greater than or equal to 6 months with a 4-day tolerance.
|
1 dose Grace Period | Students are considered in grace period when:- They receive one dose of the Hepatitis B vaccine.
- The difference between the last dose and the effective date is less than or equal to 28 days with a zero-day tolerance.
|
2 dose (2nd to 3rd) Grace Period | Students are considered in grace period when:- They receive two doses of the Hepatitis B vaccine.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
- The difference between the last dose and the effective date is less than or equal to 56 days with a zero-day tolerance.
|
2 dose (1st to 3rd) Grace Period | Students are considered in grace period when:- They receive two doses of the Hepatitis B vaccine.
- The difference between the first and effective date is less than or equal to 112 days with a 4-day tolerance.
- The difference between the second and previous dose is greater than or equal to 56 days with a zero-day tolerance.
|
Default Non-Compliant | N/A |
Varicella
| Rule | Requirements |
|---|
15 months and Younger No Requirement | Students 15 months old and younger are not required to receive any Varicella doses. |
1 dose Preschool Compliant | Students are considered compliant when:- They are in state grade(s) IT: Family/Infant/Toddler Program, EE: Ess Early Ed, or PK: Pre-Kindergarten.
- They receive one dose of the MMRV or Varicella vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 12 months with a 4-day tolerance.
|
2 doses Compliant | Students are considered compliant when:- They receive two doses of the MMRV or Varicella vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 12 months with a 4-day tolerance.
- The difference between the second and previous dose is greater than or equal to 28 days with a 4-day tolerance.
|
1 dose Grace Period | Students are considered in grace period when:- They receive one dose of the MMRV or Varicella vaccine.
- The difference between the first dose and the student's birthdate is greater than or equal to 12 months with a 4-day tolerance.
- The difference between the last dose and the effective date is less than or equal to 28 days with a zero-day tolerance.
|
Default Non-Compliant |
|
Tdap
| Rule | Requirements |
|---|
PK-6th Grade No Requirement | Students in state grade(s) 01, 02, 03, 04, 05, 06, AW: Adult Without Diploma, EE: Ess Early Ed, IT: Family/Infant/Toddler Program, KF: Kindergarten-Full Time, KP: Kindergarten- Part Time, PD: Post Graduate/Adult with Diploma, or PK: Pre-Kindergarten are not required to receive any doses of the Tdap vaccine. |
1 dose Compliant | Students are considered compliant when:- They are in state grade(s) 07, 08, 09, 10, 11, or 12.
- They receive one dose of the DTaP/DTP, Td, or Tdap vaccine.
|
Default Non-Compliant
| N/A |