| meningococcal serotypes and serogroup b disease in north-west europe. | examination of the trends of meningococcal infection in norway, iceland, faroe islands, denmark, england and wales, and the netherlands, has shown that neisseria meningitidis b:2b:p1.2 and/or b:2a:p1.2 phenotypes were associated with peaks of infection in the netherlands in 1966, in iceland 1976-77, and in england and wales in 1973-75. these strains were present in all six countries in the decade 1970-80 but their prevalence is now practically negligible. in contrast the prevalence of the b:15:p ... | 1986 | 2875290 |