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)