Please choose the correct ending to complete the given sentence: Health: [header] How to safely vaccinate your child [title] Read the information provided by your child's doctor. [step] Your child's pediatrician is required to provide you with information on the vaccines your child is receiving. These pamphlets lay out in detail how vaccinations help your child, as well as any risks vaccinations pose to your child.

Ending1: [substeps] Learn about the vaccines your child needs during and after vaccinations: these pamphlets are available online, at health departments, at local pharmacy, and at local pharmacies. [title] Be proactive about giving your child more interactive options. Ending2: [substeps] Examples of vaccinations include: booster shots, flu shots, antibiotic injections, hiv vaccine, and trichloroacetic acid. You will get more information about a specific vaccine if your child is under three or more years old. Ending3: [substeps] Keep in mind that vaccines do not cause autism. This is a myth that has been disproven many times, and the person who originally fabricated this claim had his medical license revoked due to skewing data. Ending4: [substeps] Children should receive an annual dose of vaccines every four years from the age of three to five years old. Your child's doctor should also provide nutrition (nutrient and mineral) information regarding blood sugar levels as well as any medications they may be taking.

Answer format: ending1/ending2/ending3/ending4