Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Epidemiology of bacterial meningitis in Chad, 2010–2018. Dotted line indicates MACV vaccination campaigns conducted in Chad from 2011 to the end of 2012. Abbreviations: Hib, Haemophilus influenzae serotype b; NmA, Neisseria meningitidis serogroup A; NmB, N. meningitidis serogroup B; NmX, N. meningitidis serogroup X; NmW, N. meningitidis serogroup W; Other Nm, other N. meningitidis, which are nongroupable, polyagglutinate, and autoagglutinate; Sp, Streptococcus pneumoniae.
