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School Immunization Requirements for 2009-2010

Rules For Students Entering A Colorado School For The *First* Time

New students must follow requirement for the grade to be entered as indicated below, AND:

  1. 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.
  2. need 4 polio doses, but may enter with 3 doses if #3 was given at/after age 4.
  3. need hepatitis B series (3 doses) - required for all school grades.
  4. need 2 MMRs (measles/mumps/rubella) shots for all school grades.
  5. 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.
  6. need 1 Varicella/chickenpox shot or disease history in grades 3, 4, 5, 6, 7, 8 and 9 for the 2009-2010 school year. Grades 10, 11, and 12 do not require Varicella for 2009-2010.

Select Grade Entering

Kindergarten First Grade Second Grade
Third Grade Fourth Grade Fifth Grade
Sixth Grade Seventh Grade Eighth Grade
Ninth Grade Tenth Grade Eleventh Grade
Twelfth Grade    

Requirements

Kindergarten

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

1st Grade

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 if 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

2nd Grade

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 if 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

3rd Grade

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 if 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 1 or history of disease

4th Grade

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 1 or history of disease

5th Grade

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 if age 7 - 9)
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 or history of disease

6th Grade

Vaccine Shots Notes
DTP/DTaP/DT/Td 5 may continue with 4 doses if 4th dose was given at/after fourth birthday ("P" pertussis is not required if age 7- 9)
Tdap booster 1 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 may be required if series started at/after 13 years of age. Minimum 4-8 weeks between doses.

7th Grade

Vaccine Shots Notes
DTP/DTaP/DT/Td 5 may continue with 4 doses if 4th dose was given at/after fourth birthday
Tdap booster 1 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 may be required if series started at/after 13 years of age. Minimum 4-8 weeks between doses.

8th Grade

Vaccine Shots Notes
DTP/DTaP/DT/Td 5 may continue with 4 doses if 4th dose was given at/after fourth birthday
Tdap booster 1 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.

9th Grade

Vaccine Shots Notes
DTP/DTaP/DT/Td 5 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.

10th Grade

Vaccine Shots Notes
DTP/DTaP/DT/Td 4  
Tdap booster 1 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

11th Grade

Vaccine Shots Notes
DTP/DTaP/DT/Td 4  
Tdap booster 1 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

12th Grade

Vaccine Shots Notes
DTP/DTaP/DT/Td 4
Tdap booster 1 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