A smartphone accessory that can detect HIV and syphilis has been developed by Columbia University researchers.
The low-cost device can spot markers of the infectious diseases from a finger prick of blood in 15 minutes. It's the first smartphone accessory that replicates all the functions of a laboratory-based blood test, according to the researchers.
The device was tested by health care workers in Rwanda who used it to analyze blood samples from 96 patients. The health-care workers were given 30 minutes of training on the device, and 97 percent of the patients had a positive response to the device.
The findings were published in the journal Science Translational...