The Health Protection Agency collect and publish quarterly provisional data on the proportion of the population who are vaccinated at five years of age with a second dose of measles, mumps and rubella (MMR).
Quarter 1 Quarter 2 Quarter 3 Quarter 4 1999-2000 77.5 77.1 75.6 75.7 2000-01 74.5 73.9 74.7 75.5 2001-02 73.8 73.0 73.6 73.8 2002-03 74.3 74.4 73.7 73.9 2003-04 75.0 75.1 75.6 75.1 2004-05 74.4 73.5 72.9 73.9 2005-061 74.5 n/a n/a n/a 2006-071 n/a 72.9 73.0 73.2 2007-08 73.5 73.1 72.8 74.3 2008-09 75.2 76.3 77.4 80.0 1 2005-06—last three quarters and 2006-07 first quarter—national data not estimated due to missing data for 10 of the 31 London primary care trusts (PCTs) due to problems relating to the implementation of new child health IT system. Coverage estimates are always significantly lower in London compared to all other regions in England therefore to calculate an England estimate without these PCTs would have given a spurious increase in coverage.