asymptomatic carrier


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a·symp·to·mat·ic car·ri·er

(āsimp-tŏ-matik karē-ĕr)
One who harbors pathogenic organisms without clinically recognizable symptoms; may infect others.

asymptomatic carrier,

n an individual who serves as host for an infectious agent but who does not show any apparent signs of the illness; may serve as a source of infection for others.
References in periodicals archive ?
Mary Mallon (September 23, 1869--November 11, 1938), better known as Typhoid Mary, was the first person in the United States identified as an asymptomatic carrier of the pathogen associated with typhoid fever.
However, once a mutation develops, it can be propagated when asymptomatic carrier females or mildly affected males are bred.
5) The infection can be acute or chronic with a wide spectrum of clinical presentations ranging from asymptomatic carrier state to acute self-limiting infection or fulminant hepatic failure, chronic hepatitis with progression to cirrhosis and hepatocellular carcinoma.
In addition, continuous exposures to Plasmodium parasites lead to the development of partial immunity for protection against further complication and, consequently, the creation of asymptomatic carrier [12].
It is likely she had previously travelled to an endemic region and had developed an asymptomatic carrier state.
The virus is spread among pigs by aerosols, direct and indirect contact and asymptomatic carrier pigs.
The virus is spread among pigs by aerosols, direct and indirect contact, and asymptomatic carrier pigs.
9) years (SD) First contact with mother: (d) 1989-1993 1 (1%) 15 (5%) 1994-1998 39 (54%) 132 (44%) 1999-2003 32 (44%) 151 (51%) Ethnic background of mother: Andean 56 (78%) 181 (62%) Condition of mother: Asymptomatic carrier 2 (3%) 31 (10%) HAM/TSP 52 (72%) 227 (76%) Strongyloidiasis 18 (25%) 40 (13%) Crude odds Adjusted odds ratio ratio Characteristic (95% CI) (95% CI) (a) Female sex 1.
But, a report by environmental officers, to be presented to County Durham and Darlington Acute Hospitals NHS Trust board tomorrow, said there was no reason to believe he was the source of the outbreak on November 16 and could either have been an asymptomatic carrier or could have been infected by eating at the restaurant.
HIV is the retrovirus that causes acquired immunodeficiency syndrome (AIDS), which has a wide range of clinical manifestations varying from asymptomatic carrier states to severely debilitating and fatal disorders.
Alternatively, as former drug czar William Bennett has argued, the moderate drug user is an asymptomatic carrier - a Typhoid Mary - spreading misery to others by setting a bad example, even though he feels fine.
Inconsistent to asymptomatic carrier with relatively large fragment size from 21 kb to 27 kb in previous study, [sup][12] we detected more various fragment size from 13 kb to 30 kb in nonpenetrant carriers.

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