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Viral culture is a laboratory technique [1] in which samples of a virus are placed to different cell lines which the virus being tested for its ability to infect. If the cells show changes, known as cytopathic effects , then the culture is positive.
Researchers rely on what are known as viral culture tests in which they take a swab of the coronavirus and see if they can grow the virus in the lab, as the best proxy for infectiousness. But ...
Detection of viral RNA and DNA genomes can be performed using polymerase chain reaction. This technique makes many copies of the virus genome using virus-specific probes. Variations of PCR such as nested reverse transcriptase PCR and real time PCR can also be used to determine viral loads in
The more accurate flu tests—reverse transcription polymerase chain reaction (RT-PCR), viral culture, and immunofluorescence assays—require a health care provider to swipe the back of your ...
A throat culture is a laboratory diagnostic test that evaluates for the presence of a bacterial or fungal infection in the throat. A sample from the throat is collected by swabbing the throat and placing the sample into a special cup ( culture ) that allows infections to grow.
A nasopharyngeal swab is a device used for collecting a sample of nasal secretions from the back of the nose and throat. [ 1 ] [ 2 ] The sample is then analyzed for the presence of organisms or other clinical markers for disease.