Pneumonia:
Inflammation of the lung, usually caused by bacteria or viruses.
Otis media:
Inflammation of the middle ear
Endocarditis:
Inflammation of the innermost tunic of the heart
Septicemia:
Systemic disease caused by the spread of microorganisms and
their toxins via the circulating blood (also called "blood poisoning")
their toxins via the circulating blood (also called "blood poisoning")
Pathogen:
A microorganism that causes disease.
Virulence:The disease-evoking severity of a pathogen