| targeted vaccination with meningococcal polysaccharide vaccine in one district of the czech republic. | vaccination against neisseria meningitidis is not part of routine immunization schemes in any country; instead, targeted vaccination of groups at the highest risk is recommended during outbreaks and epidemics. after a long period of sporadic occurrence of meningococcal invasive disease, a new clone of neisseria meningitidis c:2a:p1.2, et-15/37, occurred in the czech republic, and caused local outbreaks in two neighbouring districts, olomouc and bruntal, in spring 1993. in olomouc, a mass campaig ... | 1995 | 8557072 |