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An asymptomatic carrier is a person or other organism that has become infected with a pathogen, but shows no signs or symptoms. [ 1 ] Although unaffected by the pathogen, carriers can transmit it to others or develop symptoms in later stages of the disease.
The 'long-term nonprogressors' term is used for HIV carriers only but the wide term asymptomatic carrier is well known ... Wikipedia® is a registered trademark ...
This early or mild stage of infection whose symptoms stay below the level of clinical detection is called subclinical infection [7] and the individual concerned is called an asymptomatic carrier of the disease. For example, in HIV/AIDS, the incubation period lasts years longer than the latent period.
Not all hosts of asymptomatic subclinical infections will become asymptomatic carriers. For example, hosts of Mycobacterium tuberculosis bacteria will only develop active tuberculosis in approximately one-tenth of cases; [ 6 ] the majority of those infected by Mtb bacteria have latent tuberculosis , a non-infectious type of tuberculosis that ...
Asymptomatic (or clinically silent) is an adjective categorising the medical conditions (i.e., injuries or diseases) that patients carry but without experiencing their symptoms, despite an explicit diagnosis (e.g., a positive medical test).
Asymptomatic carrier – individual harboring a pathogen without showing symptoms (subclinical infection) and still capable of transmitting it to others. Chain of infection – sequential steps or process required for an infectious agent to pass from a source host to a susceptible host.
Asymptomatic carrier of typhoid fever Mary Mallon (September 23, 1869 – November 11, 1938), commonly known as Typhoid Mary , was an Irish-born American cook who is believed to have infected between 51 and 122 people with typhoid fever .
[12] [17] [18] Though GBS is an asymptomatic and harmless colonizer of the gastrointestinal human tract in up to 30% of otherwise healthy adults, including pregnant women. [ 4 ] [ 17 ] This opportunistic harmless bacterium can, in some circumstances, cause severe invasive infections ( opportunistic infection ).