What if your phone could tell you if you had COVID?

Innovative research offers the promise of accurate testing for COVID and flu using chemistry and a smartphone – and the technology is now freely available.

illustration of a man holding up a smarphone screen with a covid-19 testing app results on it
A new mobile phone app and lab kit have transformed a smartphone into a rapid and accurate COVID detection device that can be readily adapted for other pathogens. Credit: Ryan Allen and Peter Allen, Second Bay Studios.