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Table 1 Variation in the expected number of vaccine injections during the first year of life, by provider group and PCV policy period

From: Impact of the introduction of pneumococcal conjugate vaccine on immunization coverage among infants

  Number of vaccine injections expected during the first year of life
Group Pre-PCV birth cohort Post-PCV birth cohort
Group A† 7* or 10 10* or 13
Group B‡ 10 13
Group C§ 10 10* or 13
Group D|| 7* or 10 10* or 13
  1. A child born during the pre-PCV period is expected to receive 3 DTP vaccinations, 2 polio vaccinations, 3 Hib vaccinations, and 2 hepatitis B vaccinations during the first year of life. Introduction of PCV added three new vaccine injections.
  2. * Replacement of the separate hepatitis B and Hib vaccines during the first year of life with 2 doses of hepatitis B-Hib combination vaccine reduces the number of vaccine injections expected during the first year of life to 7 shots in the pre-PCV period and 10 in the post-PCV period.
  3. † Hepatitis B-Hib combination vaccine available throughout the study period.
  4. ‡ Hepatitis B-Hib combination vaccine never available during the study period.
  5. § Hepatitis B-Hib combination vaccine available starting in 2000 following PCV introduction, based on descriptive analyses.
  6. || Hepatitis B-Hib combination vaccine available starting in mid-1999 prior to PCV introduction, based on descriptive analyses.