Knol, Mirjam JRuijs, Wilhelmina LmAntonise-Kamp, Laurade Melker, Hester Evan der Ende, Arie2018-05-042018-05-042018-04Implementation of MenACWY vaccination because of ongoing increase in serogroup W invasive meningococcal disease, the Netherlands, 2018. 2018, 23 (16) Euro Surveill.1560-79172969231710.2807/1560-7917.ES.2018.23.16.18-00158http://hdl.handle.net/10029/621898The annual incidence rate of serogroup W invasive meningococcal disease in the Netherlands increased from < 0.05/100,000 (n < 10) before 2015 to 0.5/100,000 (n = 80) in 2017. Most isolates (94%) belong to clonal complex 11. The incidence rate is highest among  < 5 year-olds and 15-24 year-olds. The case fatality rate was 12% (17/138) in 2015-2017. From May 2018, MenACWY vaccination replaces MenC vaccination at age 14 months and from October 2018, 13-14 year-olds are offered MenACWY vaccination.enArchived with thanks to Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletinhttp://creativecommons.org/licenses/by/4.0/ArticleEuro Surveill 2018; 23(16): advance online publication (ahead of print)