Vaccination haw is it important?

@inovator (603)
Philippines
March 30, 2007 4:35am CST
if we notice babys have an stages of vaccination,also ill remembered when i was on tertiary every 12 mos.their was a medical mission who always in our school to do vaccination for us....the only things i know why we need that vaccine is for our immune system,,,but how about the other vaccination???
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