A mother asks the practical nurse (PN) about the immunization schedule for whooping cough. Which is the recommended schedule that the PN should convey?

A. Birth, 2 months, 12 months, and boosters every 7 to 10 years. - This schedule doesn't align with the typical whooping cough vaccination schedule. B. 1, 6, 9 months, and boosters at 12 months of age and before entering school. - This schedule doesn't match the typical whooping cough vaccination schedule. C. 1 year of age, 6 years of age, and with each exposure. - This schedule doesn't align with the standard vaccination recommendations for whooping cough. D. 2, 4, 6 months, and boosters at 15 to 18 months and 4 to 6 years of age. - This schedule aligns with the recommended vaccination schedule for whooping cough by the CDC, providing primary vaccinations at 2, 4, and 6 months and booster doses later in childhood.