Case-control study: Meningococcus B vaccine prevents disease with 79 percent effectiveness in children and young adults

Association of Use of a Meningococcus Group B Vaccine With Group B Invasive Meningococcal Disease Among Children in Portugal – JAMA

Commentary: Meningococcus B vaccine prevents disease with 79 per cent effectiveness in under-18s – University of Bristol

Commentary on Twitter

In this matched case-control study, children who developed meningococcal disease were less likely to have been vaccinated with 4CMenB vs matched controls without meningococcal disease during the first 5y of vaccine availability in Portugal https://t.co/dGagZ3aTIB @adamhfinn

— JAMA (@JAMA_current) December 3, 2020