Final answer:
The nurse should instruct the parent that their newborn should receive the first diphtheria, tetanus, and pertussis vaccine (DTaP) at 2 months of age.
Step-by-step explanation:
The nurse should instruct the parent that their newborn should receive the first diphtheria, tetanus, and pertussis vaccine (DTaP) at 2 months of age.
According to the CDC, children should receive doses of the DTaP vaccine at 2, 4, 6, and 15-18 months of age and another at 4-6 years of age. Therefore, the first DTaP vaccine should be administered at 2 months.
It is important to follow the recommended vaccination schedule to provide early protection against these diseases.