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Table 3 The potential measles outbreak size (000s) by age group, under four scenarios of under-estimation of vaccine coverage.

From: The potential for measles transmission in England

Age group Assumed level of under-estimation in vaccine coverage*
  20% 30% 40% 50%
0–4 years 22.7 13.0 5.9 1.3
5–10 years 49.9 26.8 11.3 2.2
11–17 years 39.3 22.3 9.5 1.8
18–24 years 3.3 2.0 0.9 0.2
25 years+ 9.9 5.8 2.7 0.6
Overall 125.2 70.1 30.6 6.3
In London 105.8 61.8 29.6 6.3
  1. * The proportion of children recorded as unvaccinated who had received one dose and the proportion of children recorded as having received a single dose who had received two doses was assumed to be 20%, 30%, 40% or 50%.