New test detects all viruses that infect humans

The GLP aggregated and excerpted this blog/article to reflect the diversity of news, opinion and analysis. 

In order for a doctor to treat a patient, the exact cause of that patient’s illness must be found first. If a virus is the cause, current diagnostic tests are often not sensitive enough to detect the virus, or the doctor must already suspect which virus in particular is causing the symptoms before they can order the appropriate test to confirm it. But a new test developed by researchers at Washington University in St. Louis may have solved this problem. “ViroCap” is a new diagnostic test that can detect any virus that infects people and animals.

“With this test, you don’t have to know what you’re looking for,” said the study’s senior author, Gregory Storch, in the press release.

To develop the test, the researchers collected unique sequences of DNA and RNA from every group of viruses known to infect humans and animals—thus far, they have included up to 2 million unique pieces of genetic material. For the test, these unique sequences are compared against the genetic material found in a patient’s blood, stool, or sputum. If there’s a match, that material is then analyzed with high-throughput genetic sequencing to make the diagnosis.


Researchers hope to use the new technique to detect outbreaks of deadly viruses such as Ebola, Marburg, and SARS, as well as viruses causing severe gastrointestinal infections, such as the rotavirus and norovirus, according to the press release.

Read full, original post: This test can detect any virus that infects humans

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