6 month's shots

Im at the drs getting my babies shots done and some lady asked why i was here for and i said she needs her 6 months shots & her eye's got big and was like vaccinating your kids are dangerous and can led too death now I'm scared even though she has had her 2 and 4 month shots!!!:/ can her dying really happen since she has had them twice already?

I'm going to get her shots done cause i believe in vaccinating my kids