CFH and meningococcal meningitis: More recent host genome-wide association studies (hGWASs; glossary Table 1) have found associations of a protective variant in complement factor H (CFH) for children with meningococcal meningitis in Europe6, between a long non-coding RNA and pneumococcal meningitis in children in Kenya7 and between CA10 and self-reported bacterial meningitis8.