Scientists Claim They Developed a Blood Test Capable of Detecting Every Virus That Has Ever Infected You

Once a virus enters your system, it stays there for life. A virus can cause anything from the common cold to HIV/AIDS, and many of these viruses lay completely dormant for years and go undetected by your doctor, until now. Researchers have developed a blood test that can reveal every virus that has ever infected you. This new medical invention could help to diagnose illness while also helping scientists to develop more vaccines that can prevent them from attacking your immune system.

The blood test, developed by researchers at Harvard Medical Center, tests the blood one pathogen at a time until it finds every virus that has entered your body, even if it has gone previously unnoticed for decades. Sam Tabar ( has learned that the study was led by Stephen Elledge, a biologist who works at Brigham and Women’s Hospital in Boston, who first compiled a list of nearly one hundred thousand synthetic protein fragments that were representative of a section of a virus. Then, proteins are added to the blood and antibodies attach to those fragments of virus which allows researchers to see which virus has infected the blood.

The new and innovative test has been tested on more than 500 people in the United States, South Africa, Thailand, and Peru, the results showed an average of about 10 viruses per person. However, some claim the test has not confirmed that it can detect 100 percent of viruses, a criticism that can be resolved with more extensive research.

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