Research Article
Epidemiological Characteristics of Meningococcal Meningitis (2016 to 2018) Four Years after the Introduction of Serogroup A Meningococcal Conjugate Vaccine in Benin
Figure 3
Frequency of the different serogroups of N. meningitidis according to the immunization status in the Republic of Benin from 2016 to 2018.