Noun
invasion of the bloodstream by virulent microorganisms from a focus of infection
Source: WordNetStreptococcus pneumoniae S. pneumoniae is the main cause of community-acquired pneumonia and meningitis in children and the elderly, and of septicemia in HIV-infected persons. Source: Internet
He was moved to a hospital closer to his home in January 2007, but then contracted septicemia which damaged a heart valve, which was later replaced. Source: Internet