Meningococcal B vaccine ineffective in gonorrhea prevention for men who have sex with men

The meningococcal B vaccine is ineffective in gonorrhea prevention among men who have sex with men (MSM) at high risk of infection, according to findings from the world's largest randomized controlled trial (RCT) into possible efficacy published in the New England Journal of Medicine.

Contrary to evidence in observational studies that led to vaccination programs abroad, GoGoVax found that 4CMenB (meningococcal B vaccine) had no effect on the incidence of gonorrhea. ...