Resources: Why vaccinate: https://publichealthcollaborative.org/resources/messaging-recommendations-to-encourage-routine-childhood-vaccinations/ Vaccine risks: https://www.cdc.gov/vaccines/parents/why-vaccinate/vaccine-decision.html; https://immunitycommunitywa.org/faqs/ hooping咳嗽:https://www.dhs.wisconsin.gov/publications/p02259.p02259.pddf疫苗一次https://www.cdc.gov/vaccinesafety/concerns/multiple-vaccines-immunity.html疫苗安全:https://wwwww.cdc.gov/vaccines/parents/parents/parents/parents/parents/why-vaccinate/why-vaccinate/vaccinate/vaccine/vaccine-decision.html很多Ats: https://www.cdc.gov/vaccines/parents/why-vaccinate/vaccine-decision.html; https://www.dhs.wisconsin.gov/immunization/childhood.html Childhood vaccine questions: https://www.mayoclinic.org/healthy-lifestyle/infant-and-toddler-health/in-depth/vaccines/art-20048334 Brown County Public Health: https://www.browncountywi.gov/departments/public-healt/general-ingerformation/immunizations/推荐学校的疫苗:https://wwwww.dhs.wisconsin.gov/immunization/immunization/reqs.htm herd herd herd herd免疫。 https://my.clevelandclinic.org/health/articles/22599-herd-immunity