Vaccines given early in life, during infancy but after the neonatal phase, include Rotavirus, diphtheria-tetanus-acellular pertusis (DTaP; at 2, 4, 6, and 15–18 months), Hib (2, 4, 6, 12–15 months), pneumococcal conjugate vaccine (PCV; 2, 4, 6, 12–15 months), inactivated poliovirus vaccine (IPV; 2, 4, 6–18 months).