Vaccination halves risk of developing long COVID, study finds COVID-19 vaccinations halve the risk of a person developing long COVID, according to the findings of a major new study. 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