Mayo Clinic Minute: The ABCs of the DTaP vaccine

Since babies don’t come into the world immune from most illnesses, their first few rounds of vaccinations are critical.

Dr. Nipunie Rajapakse, a Mayo Clinic pediatric infectious diseases specialist, says the “D” in “DTaP” stands for diphtheria.

But cases still occur, and kids who get it risk bad effects on the heart and other organs.