https://www.paho.org/en/documents/acute-severe-hepatitis-unknown-origin-children-17-may-2022
This technical note follows the previous reports regarding the event of acute, severe hepatitis of unknown origin in children disseminated by the Pan American...
of unknown originacuteseverehepatitischildren
https://www.dailykos.com/story/2010/5/28/870662/-Scientists-on-the-trail-of-some-New-Plumes-of-Unknown-Origin
Here we go again. Those Scientists are back out there, taking samples, plotting data, and Kicking Uncertainty's Butt!
on the trailscientistsnewplumesunknown