This face mask can sense the presence of an airborne virus
The mask could one day be a new tool in getting ahead of respiratory illness outbreaks
![illustration that shows a man wearing a face mask that contains a sensor, virus particles with arrows pointing to the mask, and a cell phone receiving a signal](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/09/092022_fk_smart-face-mask_feat_rev2.jpg?fit=1030%2C580&ssl=1)
A face mask outfitted with a special sensor (illustrated) can detect proteins from certain airborne viruses and alert its wearer within minutes of exposure.
B. Wang et al/Matter 2022