translate English to French: Retrieved on February 22, 2008, from http://www.phac-aspc.gc.ca/im/vpd-mev/meningococcal-eng.php 105.
Extrait le 22 février 2008, de : http://www.phac-aspc.gc.ca/im/vpd-mev/meningococcal-fra.php 105.