There are certain vaccinations that are termed as optional in your baby s vaccination chart. This might give you an illusion that missing out on those is not going to harm your baby much. However before you decide to knock off those vaccinations from your list talk to your doctor in detail. This is because even if they are termed as optional you cannot ignore them altogether. Here are some of the so-called optional vaccinations that your child needs for better health and immunity. 1. Pneumococcal conjugate vaccine Offers prevention from pneumococcal meningitis (affecting the brain of children) or pneumonia.