The tricky thing about protecting people against bacterial meningitis is that so many different strains exist and the current vaccines protects against only a couple. A couple vaccines exist for specific strains of meningococcal serogroup B, which causes bacterial meningitis, but a vaccine that protects against this whole class of strains is not yet available. The conclusion of a recent trial for a vaccine that would protect people against a wide range of bacterial meningitis strains showed both good levels of effectiveness and a good safety record. Be sure you're up to date on...