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Impact of Meningococcal ACWY Vaccination Program during 2017-18 Epidemic, Western Australia, Australia

The rising incidence of invasive meningococcal disease (IMD) caused by Neisseria meningitidis serogroup W in Western Australia, Australia, presents challenges for prevention. We assessed the effects of a quadrivalent meningococcal vaccination program using 2012-2020 IMD notification data.

Citation:
Ewe K, Fathima P, Effler P, Giele C, Richmond P. Impact of Meningococcal ACWY Vaccination Program during 2017-18 Epidemic, Western Australia, Australia. Emerg Infect Dis. 2024;30(2):270-8.

Keywords:
Australia; MenACWY; bacteria; invasive meningococcal disease; meningitis/encephalitis; quadrivalent meningococcal vaccine; vaccination program

Abstract:
The rising incidence of invasive meningococcal disease (IMD) caused by Neisseria meningitidis serogroup W in Western Australia, Australia, presents challenges for prevention. We assessed the effects of a quadrivalent meningococcal vaccination program using 2012-2020 IMD notification data. Notification rates peaked at 1.8/100,000 population in 2017; rates among Aboriginal and Torres Strait Islander populations were 7 times higher than for other populations.