D. Mimouni et al., MENINGOCOCCAL POLYSACCHARIDE VACCINATION OF MILITARY RECRUITS IN ISRAEL - PRELIMINARY ASSESSMENT OF VACCINE EFFECT, Scandinavian journal of infectious diseases, 30(3), 1998, pp. 263-264
Meningococcal disease in the Israel Defense Force is caused mainly by
serogroups C and Y. Immunization of recruits with quadrivalent polysac
charide vaccine was introduced in November 1994. The person-time incid
ence rate dropped from 1.33 cases per 100000 person-gears for the prec
eding decade to 0 for the 32 months following immunization (p = 0.025)
.