Shielding reintroduced in England's tier 4 areas Clinically extremely vulnerable patients in the parts of England that were placed into tier 4 at the weekend have been advised to shield again. by Emma Bower Sign in to continue Sign In Email address Password Stay signed in Trouble signing in? Reset password: Click here Need help? Email us Register FREE Limited free articles a month Free email bulletins Register Now Register Now Take a 30-day trial Join MIMS now and pay nothing for the first 30 days Join GPOnline now and pay nothing for the first 30 days Sign Up Sign Up