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Scientists Find a Way to Reveal Your Viral Past With Just a Drop of Blood



/ 1 year ago

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During our lifetime, we get exposed to dozens of viruses, but luckily our bodies are well equipped to deal with it. Our immune system produces antibodies to deal with foreign agents and make us well again. However, the antibodies tailored for these viruses tend to linger in our bodies prolonged periods of time.

A team of researchers from Harvard, MIT and Howard Hughes Medical Institute got a brilliant idea of making use of the above-mentioned antibodies and came up with a new method of revealing what viruses your body was exposed to. The method is called VirScan and it can reveal your entire viral history with just a drop of blood.

The method involves mixing a patient’s blood with a set of known human viruses. Each virus carries a unique protein signature that the antibodies are trained to identify and attack. This means that dropping a blood sample filled with antibodies in a pool of viruses will ‘activate’ the antibodies and tell the researchers which virus strains were targeted.

To test their theory, the researchers performed tests on 569 patients. The results revealed that, on average, we are exposed to 10 viral species, with some even being exposed to up to 84 viral species. VirScan has also proved to be a cheap testing method, allowing doctors to perform a variety of tests at once for about $25.

The researchers say that VirScan is not only about identifying your past viruses. The method can also be used for early detection of viruses such as hepatitis C and HIV, as well as give doctors more insight on some viruses we don’t quite understand yet.

Thank you Newsweek for providing us with this information


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