Why vaccine uptake is lower in Reading and Slough Why has uptake of the vaccine been lower in Reading and Slough than in other parts of Berkshire? The latest data, released today, shows Reading and Slough are 7-12 per cent behind other areas in Berkshire in terms of the percentage of the population that has received at least one dose of a Covidvaccine. In Reading and Slough, 25 per cent of people aged 16 and above have received a vaccine, as of the latest data from March 11. In West Berkshire, Wokingham, Bracknell, and Windsor & Maidenhead, between 32 and 37 per cent of people over 16 have received a dose of the vaccine, with the highest uptake in West Berkshire (37 per cent).