Hi Mommy! How old is your baby? It has nothing to do with vaccination. Most likely the green poop is cause by breastmilk. Momshie, I invite you to join theAsianparentPH #TeamBakuNanay this is the newest community of parents that tackles all about Bakuna! Click here to join! https://www.facebook.com/groups/bakunanay/?ref=share #TeamBakuNanay #ProudToBeABakuNanay #VaccineWorksForAll #HealthierPhilippines #AllAboutBakuna