Maybe at nanobot scales this would be awesome for delivering cures and stabbing viruses. The distributed sensors could be working together but also each one specialise in spotting certain virus traits. It can actuate legs, grabbers or stabbers with the same mechanisms for simplicity.

https://www.youtube.com/watch?v=3jcmwC0ur90 I can imagine a nanobot like the OP making its way around this world