Blood Test Breakthrough: Single Drop Of Blood Determines Every Virus You’ve Ever Had

6 June 2015

 - While the body’s ability to fight off viruses is impressive, its record-keeping also deserves applause. A human’s blood keeps track of every virus a person has ever been infected with – and now you can find out your own history with just a single drop.

The test, called VirScan, screens the blood for antibodies against the 206 species of viruses known to infect humans, according to a study published in the journal Science on Thursday. – -