Scientists at Imperial College London and DNA Electronics have developed a type of HIV test on a USB stick.
The device uses a drop of blood to detect HIV and then creates an electrical signal that can be read by a computer or handheld device.
The disposable test could be used for HIV patients to monitor their own treatment.
Furthermore, the technology could enable patients with HIV to be managed more effectively in remote locations.
New research, published in the journal Scientific Reports, shows the device is accurate and can produce a result in under 30 minutes.
The technology monitors the amount of virus in the bloodstream.