Several diseases caused by the Haemophilus influenzae bacteria, such as meningitis, epiglottitis, pneumonia and sepsis. The diseases are spread primarily via respiratory droplets. There are six encapsulated forms of H. influenzae bacteria as well as non-encapsulated forms that mainly causes otitis media and sinusitis. The Hib vaccine against H. influenzae type B is part of the National Immunisation Programme.

• Lääkeinfo.fi: Act-HIB (in Finnish)
  • Hib vaccine
• Lääkeinfo: Pentavac​ (in Finnish)
  • Diphtheria, tetanus, whooping cough, polio and Hib vaccine (DTaP-IPV-Hib)
• Lääkeinfo.fi: Infanrix-Polio+Hib (in Finnish)
  • Diphtheria, tetanus, whooping cough, polio and Hib vaccine (DTaP-IPV-Hib)
  • For infants as part of the National Vaccination Programme
• THL, Infectious diseases: Haemophilus influenzae (in Finnish)