{"type":"rich","version":"1.0","title":"Jeff Swann wrote","author_name":"Jeff Swann (npub1aj…ftppj)","author_url":"https://yabu.me/npub1ajv7m32k0cpgzha32qszsh304qusjvwwmavus0ttktzldms4xzusuftppj","provider_name":"njump","provider_url":"https://yabu.me","html":"Polio was caused by the use of lead arsenic pesticides which were developed in response to the gypsy moth. The pesticide was discontinued \u0026 cases of polio dropped nearly to zero before the vaccine was ever rolled out. But blaming a virus allowed companies to escape liability \u0026 push a new product as a way to \"save the day.\""}