Britons who have received first Covid jab must stay at home for THREE WEEKS so immunity 'kicks in' 

People who have received their first Covid-19 jab must stay at home for three weeks after their injection because it can take that long for immunity to 'kick in', Jonathan Van-Tam warned last night. https://www.dailymail.co.uk/news/article-9180177/Britons-received-Covid-jab-stay-home-THREE-WEEKS-immunity-kicks-in.html?ns_mchannel=rss&ns_campaign=1490&ito=1490