Mobile and instant diagnosis of viruses like Ebola or Zika in the field may soon become a reality. Digital Trends reports researchers have created a device that can sequence DNA and RNA in real time, which can be used as a tool for identifying plant viruses. Potentially, it could also be used to ID animal and human viruses, too. The fast and accurate diagnosis technique is a first step to the detection of chronic viruses with a mobile device, which can be used even in isolated and remote areas.