They are spraying the same crap they have been spraying all along, nano particles of strontium, barium, lithium, and aluminum. They are also spraying blood and other biologics. Hearing reports that the materials are forming into thin spider web like filaments. These filaments get into the body and form and grow into more complex nanostructures...  but it's ok because I'm sure the elites have our best interests at heart. They're just trying to help.