Fig. 2.

Distribution of all patients with a diagnosis of VPD, either as a principal or secondary diagnosis, stratified according to the month that the claim was registered and expressed as a percentage of all claims registered with the MarketScan Commercial Claims and Encounters (Commercial), Medicare Supplemental (Medicare) and Multistate Medicaid (Medicaid) databases registered by month or age from July 1, 2016 to June 30, 2019. Data from Commercial/Medicare were pooled (n = 1,964,984) according to standard practice and presented alongside Medicaid claims (n = 1,162,784). VPD vaccine-preventable diseases