The Advisory Committee for Immunization Practices recommends initial
vaccination against varicella for children aged 12‐18 months and a second dose at
4‐6 years of age. According to K.A.R. 28‐1‐20, all individuals that attend a school
or childcare operated by a school in Kansas are required to be vaccinated against
specific diseases. For varicella, two doses of vaccine are required for children in
kindergarten through grade 4 and grades 7 through 9. One dose of varicella
vaccine is required for children in grades 5 and 6 and 10 through 12. Children with
documentation of disease history by a licensed health care provider are not
required to be vaccinated. All susceptible contacts excluded during this outbreak
were unvaccinated due to having a religious exemption from vaccination.