Flu jab deliveries to GP practices delayed by two weeks GP practices have been warned that deliveries of the quadrivalent flu vaccine for at-risk patients aged 18 to 65 years old will arrive two weeks later than expected. by Nick Bostock 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