RESUMEN
At the demand of the African ministries of health; a new conjugate vaccine was developed by Serum Institute of India Limited (SIIL) against meningococcal A meningitis; the germ responsible for more than 95 of the meningitis epidemics in Africa; through a partnership between WHO and PATH and; with the financial support from the Bill et Melinda Gates Foundation. The vaccine is being introduced in all the 26 countries of the meningitis belt between 2010 and 2016. So far; 153 million people have been vaccinated in 12 countries. The vaccine is efficacious; no case of meningococcal meningitis A has been identified among vaccinated individuals and in post-campaign carriage studies. The overall number of meningitis cases dropped sharply during epidemic seasons in the countries of the belt. The vaccine will be introduced via routine immunization by the end of 2015
