Do shots for babies have gelatin in them?

Yes. Some vaccines contain small amounts of pig gelatin: tripedia dtap, Fluzone influenza, FluMist nasal spray, mmr, varivax chicken pox . . . According to the children's hospital of philadelphia website.
Yes. There s a very small amount of gelatin in some ccines. It appears to present no problems.
Yes. Gelatin is used the production of some vaccines, though not most. If your child has had a life-threatening reaction to gelatin, these vaccines should not be given. If it's been a mild reaction, it's ok to give these vaccines (the amount of gelatin is very, very small.) if you're not sure, consult an allergist. Tripedia, trihibit, fluzone, MMR ii, proquad, varivax are the brands of kid imms w/ gel.