FWIW - COVID-19 is a tea party with crumpets and cream compared what could happen. A piece on biodefense for context. Good read. Covers things pretty well. Bioterrorism and Biodefense for America’s Public Spaces and Cities https://www.researchgate.net/publication/200112458_Bioterrorism_and_Biodefense_for_America%27s_Public_Spaces_and_Cities