Question: what vaccines are needed at age 4?
Answer: Diphtheria, tetanus, and whooping cough (pertussis) (DTaP) (5th dose) Polio (IPV) (4th dose) Measles, mumps, and rubella (MMR) (2nd dose) Chickenpox (Varicella) (2nd dose) Influenza (Flu) (every year)