Meningococci, invasive disease
In terms of the Notifiable Infectious Diseases - data collection by Robert Koch Institute:
Meningococci are bacteria of the Neisseria meningitidis. They are transmitted by droplets and arouse an acute, partly hyperacute disease, which mostly manifests as meningitis or also primary meningococcal sepsis. The lethality is 5 to 10 %. Meningococci are divided into different sero groups, of which exclusively the serogroups B and C occur in Germany.
The Federal Health Monitoring System 6 Aug 2020