State Immunization Requirements
2011 - 2012
Rules for new students entering a Colorado school for the first time
New students must follow requirement for the grade to be entered as indicated below, AND:
- need 5 DTP/DTaP/DT/Td - type vaccines, but may enter with 4 doses if #4 was given at/after age 4. A student needs no "P" (Pertussis) if age 7 – 9 years old.
- need 4 polio doses, but may enter with 3 doses if #3 was given at/after age 4
- need hepatitis B series (3 doses) - required for all school grades.
- need 2 MMR (measles/mumps/rubella) shots for all school grades.
- need 2 Varicella/chickenpox shots - 2 doses at least 28 days apart (prefer 3 mo.) or disease history by health provider or lab test for kindergarten and grade 1, 2, 3 and 4.
- need 1 Varicella/chickenpox shot or disease history in grades 5, 6, 7, 8, 9 10 and 11 for the 2011-2012 school year. Grades 11 and 12 do not require Varicella for 2011-2012.
Vaccine |
Shots |
Notes |
| DTP/DTaP/DT/Td | 5 |
may enter with 4 doses if #4 was given at/after age 4. ("P" pertussis is not required when age 7 - 9) |
| Polio | 4 |
may enter with 3 doses if #3 was given at/after age 4 |
| MMR | 2 |
|
| Hepatitis B | 3 |
|
| Varicella/Chickenpox | 2 |
2 doses at least 28 days apart (prefer 3 mo. apart) - or history of disease by health provider, or lab test |
Vaccine |
Shots |
Notes |
| DTP/DTaP/DT/Td | 5 |
may enter with 4 doses if the 4th dose was given at/after the fourth birthday ("P" pertussis is not required when age 7 - 9) |
| Polio | 4 |
may enter with 3 doses if #3 was given at/after age 4 |
| MMR | 2 |
|
| Hepatitis B | 3 |
|
| Varicella/Chickenpox | 2 |
2 doses at least 28 days apart (prefer 3 mo. apart) - or history of disease by health provider, or lab test |
Vaccine |
Shots |
Notes |
DTP/DTaP/DT/Td |
5 |
may continue with 4 doses if #4 was given at/after age 4. ("P" pertussis is not required when age 7 - 9) |
| Polio | 4 |
may continue with 3 doses if #3 was given at/after age 4 |
| MMR | 2 |
|
| Hepatitis B | 3 |
|
| Varicella/Chickenpox | 2 |
2 doses at least 28 days apart (prefer 3 mo. apart) - or history of disease by health provider, or lab test |
Vaccine |
Shots |
Notes |
DTP/DTaP/DT/Td |
5 |
may continue with 4-doses if #4 was given at/after age 4. ("P" pertussis is not required when age 7 - 9) |
| Polio | 4 |
may continue with 3 doses if #3 was given at/after age 4 |
| MMR | 2 |
|
| Hepatitis B | 3 |
|
| Varicella/Chickenpox | 2 |
2 doses at least 28 days apart (prefer 3 mo. apart) - or history of disease by health provider, or lab test |
Vaccine |
Shots |
Notes |
DTP/DTaP/DT/Td |
5 |
may continue with 4 doses if #4 was given at/after age 4. (“P” pertussis is not required when age 7 – 9) |
| Polio | 4 |
may continue with 3 doses if #3 was given at/after age 4 |
| MMR | 2 |
|
| Hepatitis B | 3 |
|
| Varicella/Chickenpox | 2 |
2 doses at least 28 days apart (prefer 3 mo. apart) - or history of disease by health provider, or lab test |
Vaccine |
Shots |
Notes |
DTP/DTaP/DT/Td |
5 |
may continue with 4 doses if #4 was given at/after age 4. (“P” pertussis is not required when age 7 – 9) |
| Polio | 4 |
may enter with 3 doses if #3 was given at/after age 4 |
| MMR | 2 |
|
| Hepatitis B | 3 |
2 doses can be a full series with certain specifications for 11-15 year olds |
| Varicella/Chickenpox | 1 |
Or history of disease |
Vaccine |
Shots |
Notes |
DTP/DTaP/DT/Td |
5 1 |
may continue with 4 doses if #4 was given at/after fourth birthday -and- Also need Tdap booster. The Tdap is required if prior Td booster was given more than 2 years ago. |
| Polio | 4 |
may enter with 3 doses if #3 was given at/after age 4 |
| MMR | 2 |
|
| Hepatitis B | 3 |
2 doses can be a full series with certain specifications for 11-15 year olds |
| Varicella/Chickenpox | 1 (2) |
Or history of disease. Two doses are required if series started at ≥13 years of age. Minimum 4-8 weeks between doses. |
Vaccine |
Shots |
Notes |
| DTP/DTaP/DT/Td and Tdap booster |
5 1 |
may continue with 4 doses if #4 was given at/after fourth birthday -and- Also need Tdap booster. The Tdap is required if prior Td booster was given more than 2 years ago. |
| Polio | 4 |
may enter with 3 doses if #3 was given at/after age 4 |
| MMR | 2 |
|
| Hepatitis B | 3 |
2 doses can be a full series with certain specifications for 11-15 year olds |
| Varicella/Chickenpox | 1 (2) |
Or history of disease. Two doses are required if series started at ≥13 years of age. Minimum 4-8 weeks between doses. |
Vaccine |
Shots |
Notes |
| DTP/DTaP/DT/Td and Tdap booster |
5 |
may continue with 4 doses if #4 was given at/after fourth birthday -and- Also need Tdap booster. The Tdap is required if prior Td booster was given more than 2 years ago. |
| Polio | 4 |
may continue with 3 doses if #3 given at/after age 4 |
| MMR | 2 |
|
| Hepatitis B | 3 |
2 doses can be a full series with certain specifications for 11-15 year olds |
| Varicella/Chickenpox | 1 (2) |
Or history of disease. Two doses are required if series started at ≥13 years of age. Minimum 4-8 weeks between doses. |
Vaccine |
Shots |
Notes |
DTP/DTaP/DT/Td and Tdap booster |
5 1 |
may continue with 4 doses if #4 was given at/after fourth birthday |
| Polio | 4 |
may continue with 3 doses if #3 given at/after age 4 |
| MMR | 2 |
|
| Hepatitis B | 3 |
2 doses can be a full series with certain specifications for 11-15 year olds |
| Varicella/Chickenpox | 1 (2) |
Or history of disease. Two doses are required if series started at ≥ 13 years of age. Minimum 4-8 weeks between doses. |
Vaccine |
Shots |
Notes |
DTP/DTaP/DT/Td and Tdap booster |
5 1 |
may continue with 4 doses if #4 was given at/after fourth birthday -and- Also need Tdap booster. The Tdap is required if prior Td booster was given more than 2 years ago. |
| Polio | 4 |
|
| MMR | 2 |
|
| Hepatitis B | 3 |
2 doses can be a full series with certain specifications for 11-15 year olds |
| Varicella/Chickenpox | 1 (2) |
Or history of disease. Two doses are required if series started at ≥ 13 years of age. Minimum 4-8 weeks between doses. |
Vaccine |
Shots |
Notes |
DTP/DTaP/DT/Td and Tdap booster |
4 1 |
-and- Also need Tdap booster. The Tdap is required if prior Td booster was given more than 2 years ago. |
| Polio | 3 |
|
| MMR | 2 |
|
| Hepatitis B | 3 |
2 doses can be a full series with certain specifications for 11-15 year olds |
| Varicella/Chickenpox | 0 |
no requirement yet |
Vaccine |
Shots |
Notes |
| DTP/DTaP/DT/Td and Tdap booster |
4 |
-and- Also need Tdap booster. The Tdap is required if prior Td booster was given more than 2 years ago. |
| Polio | 3 |
|
| MMR | 2 |
|
| Hepatitis B | 3 |
2 doses can be a full series with certain specifications for 11-15 year olds |
| Varicella/Chickenpox | 0 |
no requirement yet |
Colorado immunization requirements also exist for:
- children in infancy through 4+ years old who attend child care or preschools
- college students who attend state-supported schools that have any on-campus residence housing
Contact your healthcare provider, local health department, day care provider or college health office for more information regarding these requirements.
Larimer County Department of Health and Environment (970) 498-6740
NOTE: Medical, religious or personal exemptions to Colorado immunization requirements are possible for school and/or daycare attendance, and require a signature from a physician or parent on a Colorado Certificate of Immunization. (Forms are available from your health care provider, your local health department and from the Immunization Program at the Colorado Department of Public Health and Environment, phone: (303) 692-2796
EXEMPTIONS:
If immunization is against your religious beliefs, you must sign the "Religious Exemption" of the Colorado Department of Health Certificate of Immunization. If your child cannot be immunized for medical reasons, a physician must sign the "Medical Exemption". If you have a personal (philosophical) belief opposed to immunization, you must sign the "Personal Exemption".
If one of these is desired, click here for the Electronic Immunization Form, which can be downloaded, signed on the second page, and returned to the health office.
Thank you for complying with the State of Colorado's immunization requirements!
For more information visit the Colorado Department of Public Health and Environment
