Hopes for Covid-19 'vaccination by Christmas' but relaxing would be a 'colossal mistake'

England's deputy chief medical officer Prof. Jonathan Van-Tam warned it would be a "colossal mistake to relax" taking precautions against the virus, in the face of news of Pfizer's early vaccine data. While Mr Van-Tam admitted there could be some vaccination by Christmas, he joined the Prime-Minister in urging caution and restraint by following the current lockdown restrictions. Subscribe to The Telegraph on YouTube ► https://bit.ly/3idrdLH Get the latest headlines: https://www.telegraph.co.uk/ Telegraph.co.uk and    / telegraphtv   are websites of The Telegraph, the UK's best-selling quality daily newspaper providing news and analysis on UK and world events, business, sport, lifestyle and culture.