Scientists invent tool to distinguish between viral, bacterial infections
By Oluwaseyi Adeshina
Scientists from the University’s National Institutes of Health-funded Respiratory Pathogens Research Centre identified 11 genetic markers in blood that accurately distinguished between viral and bacterial infections (antibiotics help us fight bacterial infections, but aren’t effective and shouldn’t be used to treat viruses).
The finding, published in the journal Scientific Reports, is important because physicians don’t have a good way to confirm bacterial infections like pneumonia and more-often-than-not default to an antibiotic.
“It’s extremely difficult to interpret what’s causing a respiratory tract infection, especially in very ill patients who come to the hospital with a high fever, cough, shortness of breath and other concerning symptoms,” said Dr. Ann R. Falsey, lead study author, professor and interim chief of the Infectious Diseases Division at UR Medicine’s Strong Memorial Hospital. “My goal is to develop a tool that physicians can use to rule out a bacterial infection with enough certainty that they are comfortable, and their patients are comfortable, foregoing an antibiotic.”
Falsey’s project caught the attention of the federal government; she’s one of 10 semifinalists in the Antimicrobial Resistance Diagnostic Challenge, a competition sponsored by NIH and the Biomedical Advanced Research and Development Authority to help combat the development and spread of drug resistant bacteria. Selected from among 74 submissions, Falsey received $50,000 to continue her research and develop a prototype diagnostic test, such as a blood test, using the genetic markers her team identified.
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