Doreen Virtue (born April 29, 1958) is an American author and a motivational speaker. She is the founder of Angel Therapy. Virtue has written over 50 books including oracle card oracle decks on the subject of angels and other spiritual topics.
Exogenous infection is caused by organisms not normally present in the body but which have gained entrance from the environment.. A small fragment of bacteria causes disease in humans,and many species colonize in the human body to create an ecosystem know as bacterial flora.
bacteria. pl n, sing-rium (-rÉªÉm). 1. (Microbiology) a very large group of microorganisms comprising one of the three domains of living organisms.They are prokaryotic, unicellular, and either free-living in soil or water or parasites of plants or animals. See also prokaryote.acteria. pl n, sing-rium (-rÉªÉm). 1. (Microbiology) a very large group of microorganisms comprising one of the three domains of living organisms. They are prokaryotic, unicellular, and either free-living in soil or water or parasites of plants or animals.