COVID-19: Major cities falling well behind in UK's bid to vaccinate its way out of lockdown

So, while it's clear that age is a major factor driving the different pace of vaccination locally, it isn't the only one. The reason for the difference is made more difficult to determine in affluent areas of central London which may be skewed by non-residents. Ethnicity and deprivation appear to be key in determining uptake and could mean some parts of England have less protection from COVID-19 than others.