Add Immunization Doses Based on Age

BAM: 17418497 is trying to set up the DTaPs vaccine, which recommends getting a doses of the initial vaccine at 2 months, 4 months and 6 months, then booster shots at 15-18 months, and 4-6 years. The center has mentioned that configuring this is quite difficult under the current system, and the due dates produced are at least slightly off for every single student.

It would be of great assistance if the center had the option to add these doses based on age, like the first dose, instead of being based on the date of the last dose. The accuracy of the due date is important for centers that retain children for multiple years.