On whether there are specific scientific or medical criteria for public health emergency declarations and all government acts (such as quarantine orders) taken pursuant to PHE declarations, my understanding is that there are not, and there have never been, and none have ever been legally required to support governmental acts. This gets into the interplay between Scientific issues (i.e., whether ‘viruses,’ as physically and chemically undefined, invisible, non-isolatable, transmissible, allegedly disease-causing particles of matter, exist); Non-validated and non-validatable diagnostic tests, which cannot be validated because the alleged causative agent pathogens cannot be identified or isolated; Federal and state ‘public health emergency’ statutes (legislative) and regulations (executive-administrative) which do not define terms such as virus or vaccine by physical or chemical characteristics; but do authorize government conduct to quarantine, isolate and use diagnostics and products on allegedly exposed or i…