Scientists Are Trying to Spot New Viruses Before They Cause Pandemics
Is it possible to build an early warning system for viruses?
The pilot project envisions an immense surveillance system that can check blood from all over the world for antibodies to hundreds of viruses.

https://www.nytimes.com/2021/02/15/health/scientists-viruses.html?action=click&module=Spotlight&pgtype=Homepage