opportunistic pathogen


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Related to opportunistic pathogen: opportunistic infection, opportunistic microorganism, Nosocomial infection

op·por·tu·nis·tic path·o·gen

an organism that is capable of causing disease only when the host's resistance is lowered, for example, by other diseases or drugs.

opportunistic pathogen

an organism that exists harmlessly as part of the normal human body environment and does not become a health threat until the body's immune system fails.

op·por·tu·nis·tic path·o·gen

(opŏr-tū-nistik pathŏ-jen)
Organism capable of causing disease only when the host's resistance is lowered by other diseases or drugs.

opportunistic pathogen

an ORGANISM that does not normally cause a DISEASE, but which can become PATHOGENIC in some circumstances. see SECONDARY INFECTION.

opportunistic pathogen

microorganism causing infection in a host with lowered disease resistance (e.g. due to concomitant illness or drug therapy)

op·por·tu·nis·tic path·o·gen

(opŏr-tū-nistik pathŏ-jen)
Pathogen capable of causing disease only when the host's resistance is lowered.
References in periodicals archive ?
A further study of 100 notes and 102 coins collected from staff in one hospital found that 3 percent of coins and 11 percent of notes were contaminated with opportunistic pathogens including Staphylococcus spp.
Corynebacterium jeikeium is an opportunistic pathogen known to cause infection in humans.
The data in the study indicate that the genome of this opportunistic pathogen has evolved through only a small number of horizontal gene acquisition events, highlighting the narrow boundary that separates bacteria that are long-term residents on or in the human body from opportunistic pathogens.
Early detection of this opportunistic pathogen is necessary for better prognosis and institution of antifungal therapy in time.
Cryptococcus neoformans has risen to a highly recognizable major opportunistic pathogen with deadly consequences.
Pseudomonas aeruginosa is an opportunistic pathogen that has been found in biofilm growing in the lungs of cystic fibrosis patients:
suis might become an opportunistic pathogen in persons who are stressed or immunodeficient.
Rhodococcus equi, formerly C equi, has been recognized as an opportunistic pathogen, with 82% of patients presenting with pneumonia.
Although this bacterium has been rarely reported as a cause of human infections, it should be considered as an opportunistic pathogen, especially in patients who have aspiration pneumonia, because it is likely a commensal of the upper respiratory tract.
baumannii, an opportunistic pathogen that can cause death and serious illnesses, particularly in people with compromised immune systems.
meningosepticum is an opportunistic pathogen of low virulence that rarely causes serious infections in adults.
Fungitell -D Glucan is the only FDA-cleared test for Candida, a yeast that can act as an opportunistic pathogen in patients with compromised immune systems and lead to Invasive Candidiasis.

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