Meningococcal B vaccination does not reduce gonorrhoea, trial results show
DENVER, Wednesday 25 February 2026) Contrary to existing evidence from observational studies, the meningococcal B vaccine (4CMenB) has no effect on preventing the acquisition of gonorrhoea, according to the results of the world’s largest randomised control trial (RCT) into possible efficacy, conducted by Griffith University’s Institute for Biomedicine and Glycomics and the Kirby Institute at UNSW Sydney.
The results were presented today by Professor Kate Seib from Griffith University at the Conference on Retroviruses and Opportunistic Infections in Denver, Colorado.
Gonorrhoea is a considerable public health challenge, with particular concern around the rise in antibiotic-resistant ...