Medical Dictionary
infectious
adj in·fec·tious \in-ˈfek-shəs\
Medical Definition of INFECTIOUS
1
: capable of causing infection <a carrier remains infectious without exhibiting signs of disease> <viruses and other infectious agents>
2
: communicable by invasion of the body of a susceptible organism <all contagious diseases are also infectious, but it does not follow that all infectious diseases are contagious—W. A. Hagan>—compare contagious 1
—in·fec·tious·ly adverb
—in·fec·tious·ness noun
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