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No Vaccine is 100% effective ..
Lab tests have confirmed four cases of meningococcal disease in five Wellington children suspected of catching the killer bug.
Two of the children had been fully vaccinated against the disease and one had received partial vaccination. All were infected with the epidemic strain
of the disease, which is specifically targeted by the MeNZB vaccine.
Regional Public Health Medical Officer of Health Margot McLean said though the infections were disappointing, vaccine breakthrough cases can occur and
no vaccine was 100 per cent effective.