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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).
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.
Typhoid Mary, pictured above in a 1909 tabloid, was a famous case of a subclinical infection of Salmonella enterica serovar.. A subclinical infection—sometimes called a preinfection or inapparent infection—is an infection by a pathogen that causes few or no signs or symptoms of infection in the host. [1]
Other public-health experts were quick to point out that studies so far have shown pre-symptomatic people and asymptomatic people can spread the virus.
The World Health Organization on Tuesday sought to clarify a top official's claim, made just a day earlier, that asymptomatic transmission of the coronavirus is "very rare," saying that a ...
BinaxNOW antigen tests had a sensitivity of 92.6% for symptomatic people and 78.6% for asymptomatic people with COVID-19 in a 2021 report, per the CDC. The false positive rate on rapid antigen ...
Some diseases including cancers, and infections may be present but show no signs or symptoms and these are known as asymptomatic. [13] A gallstone may be asymptomatic and only discovered as an incidental finding. [13] Easily spreadable viral infections such as COVID-19 may be asymptomatic but may still be transmissible. [52]
In many cases, COVID-19 can be entirely asymptomatic. Here's what to do if you test positive without any symptoms.