There are vaccines for three types of bacteria that can cause meningitis, which are:
a) Escherichia coli, Salmonella, Staphylococcus aureus.
b) Haemophilus influenzae, Streptococcus pneumoniae, Neisseria meningitidis.
c) Clostridium botulinum, Bacillus cereus, Listeria monocytogenes.
d) Mycobacterium tuberculosis, Legionella pneumophila, Corynebacterium diphtheriae.