No herd immunity: MenB vaccine 'fails' in school trial

An Aussie vaccination program had no effect on carriage of meningococci

A major Australian meningococcal B vaccine trial among teenagers has failed to show any discernable impact on throat carriage of Neisseria meningitidis or herd immunity.

Teenagers kissing

Between 2017 and 2018, almost 35,000 SA high school students participated in the largest meningococcal B herd immunity study to date, supported by the vaccine manufacturer GlaxoSmithKline (GSK).

Among the 12,746 year 10 and 11 students who were vaccinated with 4CMenB (Bexsero), throat carriage rates of disease-causing

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