Infection with the bacterium<unk><unk>  type b (Hib) can result in meningitis and other severe infections (e.g., pneumonia, bacteremia, cellulitis, septic arthritis, and epiglottitis) primarily among infants and children <5 years of age.
Haemophilus influenzae infection
Streptococcus pneumoniae infection
Pneumococcal infections
COVID-19-associated respiratory failure
Lemierre's syndrome
Pertussis
Middle East respiratory syndrome coronavirus infection
Influenza