MenB vaccine offers men no protection from gonorrhoea, claims major study
Summary
A new Australian study found that the MenB vaccine does not reduce gonorrhoea infections in men who have sex with men. This challenges earlier reports suggesting the vaccine might offer protection, and UK health officials say they will continue to study the vaccine’s effects before making any changes.Key Facts
- The MenB vaccine was originally made to prevent meningitis B in babies.
- Gonorrhoea is a common bacterial infection spread through sexual contact.
- The UK began offering the MenB vaccine to men who have sex with men in 2025, hoping to reduce gonorrhoea cases.
- The Australian study, called GoGoVax, tracked 587 men for two years, giving half the vaccine and half a placebo.
- The study saw nearly the same number of gonorrhoea infections in both groups (291 vaccinated, 285 placebo).
- Other studies support these results, showing the MenB vaccine does not prevent gonorrhoea.
- Gonorrhoea rates remain high in England, with men who have sex with men being the most affected group.
- Health experts stress that condoms and regular testing are still the best ways to prevent gonorrhoea.
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