Scientists always work round the clock to come up with solutions to human problems. This time, we have a USB device that you can use to check your HIV virus status, made by scientists at Imperial College London and tech firm DNA Electronics. All you need is a simple drop of blood to measure HIV-1 levels. The device then creates an electrical signal that is fed into a computer, laptop, or handheld device. The device is accurate, according to the scientists, and produces results within 30 minutes. [ Photo of the Device after cut ]
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