3.1 All School Enterers shall have immunizations given up to four days prior to the minimum interval or age and shall include:

• 3.1.1 Four or more doses of diphtheria, tetanus, pertussis (DTaP, DTP, or other Approved Vaccine. Notwithstanding this requirement:

• 3.1.1.1 A child who received a fourth dose prior to his or her fourth birthday shall have a fifth dose;

• 3.1.1.2 A child who received the first dose of diphtheria and tetanus containing vaccine as adult Td vaccine at or after age seven may meet this requirement with only three doses of Td or Approved Vaccine.

• 3.1.1.3 A booster dose of Tdap (adult) is strongly recommended by DPH for all students at age 11-12 years (preferred) or through 18 years and required as per subsections 4.1 and 4.1.1 below.

• 3.1.2 Three or more doses of inactivated polio virus vaccine (IPV), oral polio vaccine (OPV), or an Approved Vaccine. Notwithstanding this requirement:

• 3.1.2.1 A child who received a third dose prior to his or her fourth birthday shall have a fourth dose.

• 3.1.3 Two doses of measles, mumps and rubella (MMR) Approved Vaccine. The first dose should be administered on or after the age of 12 months. The second dose should be administered after the fourth birthday.

• 3.1.3.1 Disease histories for measles, rubella and mumps shall not be accepted unless serologically confirmed.

• 3.1.4 Three doses of Hepatitis B vaccine.

• 3.1.4.1 For children 11 to 15 years old age, two doses of an Approved Vaccine may be used.

• 3.1.4.2 Titers are not acceptable in lieu of completing the vaccine series and a disease history for Hepatitis B shall not be accepted unless serologically confirmed.

• 3.1.5 Two doses of Varicella Approved Vaccine. Students who entered during or prior to the 2008-2009 school year are required to have one dose. By the 2020-2021 school year all students must have two doses. DPH strongly recommends two doses for all students regardless of date of school entry.

• 3.1.5.1 The first dose should be administered on or after the age of twelve (12) months and the second at kindergarten entry into a Delaware public school.

• 3.1.5.2 A written disease history, provided by the health care provider, will be accepted in lieu of the Varicella vaccination.

• 3.1.6 Two doses of meningococcal vaccine are strongly recommended by DPH, with an initial dose at ages 11-12 and a booster at ages 16-18, and required as per subsections 4.1 and 4.1.2 below.

3.2 Children who enter school prior to age four (4) shall follow current Delaware Division of Public Health recommendations.

3.1 All School Enterers shall have immunizations given up to four days prior to the minimum interval or age and shall include:

• 3.1.1 Four or more doses of diphtheria, tetanus, pertussis (DTaP, DTP, or other Approved Vaccine. Notwithstanding this requirement:

• 3.1.1.1 A child who received a fourth dose prior to his or her fourth birthday shall have a fifth dose;

• 3.1.1.2 A child who received the first dose of diphtheria and tetanus containing vaccine as adult Td vaccine at or after age seven may meet this requirement with only three doses of Td or Approved Vaccine.

• 3.1.1.3 A booster dose of Tdap (adult) is strongly recommended by DPH for all students at age 11-12 years (preferred) or through 18 years and required as per subsections 4.1 and 4.1.1 below.

• 3.1.2 Three or more doses of inactivated polio virus vaccine (IPV), oral polio vaccine (OPV), or an Approved Vaccine. Notwithstanding this requirement:

• 3.1.2.1 A child who received a third dose prior to his or her fourth birthday shall have a fourth dose.

• 3.1.3 Two doses of measles, mumps and rubella (MMR) Approved Vaccine. The first dose should be administered on or after the age of 12 months. The second dose should be administered after the fourth birthday.

• 3.1.3.1 Disease histories for measles, rubella and mumps shall not be accepted unless serologically confirmed.

• 3.1.4 Three doses of Hepatitis B vaccine.

• 3.1.4.1 For children 11 to 15 years old age, two doses of an Approved Vaccine may be used.

• 3.1.4.2 Titers are not acceptable in lieu of completing the vaccine series and a disease history for Hepatitis B shall not be accepted unless serologically confirmed.

• 3.1.5 Two doses of Varicella Approved Vaccine. Students who entered during or prior to the 2008-2009 school year are required to have one dose. By the 2020-2021 school year all students must have two doses. DPH strongly recommends two doses for all students regardless of date of school entry.

• 3.1.5.1 The first dose should be administered on or after the age of twelve (12) months and the second at kindergarten entry into a Delaware public school.

• 3.1.5.2 A written disease history, provided by the health care provider, will be accepted in lieu of the Varicella vaccination.

• 3.1.6 Two doses of meningococcal vaccine are strongly recommended by DPH, with an initial dose at ages 11-12 and a booster at ages 16-18, and required as per subsections 4.1 and 4.1.2 below.

3.2 Children who enter school prior to age four (4) shall follow current Delaware Division of Public Health recommendations.

(2) The requirement that all persons enrolling in the public schools at any age or level as authorized by this title shall have:

• a. Been immunized according to the required program prior to the time of enrollment in the Delaware schools;

• b. Begun the series of immunizations not later than the time of enrollment to be completed within a reasonable time as prescribed by the Department in relation to the particular immunization involved; or

• c. Presented written documentation of any claim of prior immunization in the form of a statement from the immunizing physician or agency or such other form as may from time to time be approved by regulation of the Department;

(3) Provision that persons seeking to be enrollees of the public school who have not been immunized or do not meet the requirements for immunization within the time prescribed shall be denied further attendance in the public schools;

(4) Provision for written notification of the parent, or legal guardian of an enrollee, of a pending exclusion;