Findings from the 2005 NIS include nationwide increases in coverage with >=3 and >=4 doses of pneumococcal conjugate vaccine (PCV) and continued high levels of coverage for the other recommended vaccines and vaccine series. In addition, no racial/ethnic disparities in coverage estimates were observed in the 4:3:1:3:3:1§ vaccine series, the recommended series for children aged 19-35 months that includes DTP/DT/DTaP; poliovirus vaccine; measles, mumps, and rubella vaccine (MMR); Haemophilus influenzae type b vaccine; hepatitis B vaccine; and varicella vaccine.