when did the first meningitis vaccine come out
Meningococcal vaccine The first meningococcal vaccine became available in the 1970s.[6] It is on the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system.[7] The wholesale cost in the developing world is between 3.23 and 10.77 USD per dose as of 2014.[8] In the United States it costs 100 to 200 USD for a course.[9]