It is. The polio link was suggested for DDT, which was a controversial insecticide. But it was probably bunk, as were most other concerns about DDT: https://apn

It is. The polio link was suggested for DDT, which was a controversial insecticide. But it was probably bunk, as were most other concerns about DDT: https://apnews.com/article/fact-check-polio-vaccine-ddt-pesticide-480376540979 https://apnews.com/article/fact-check-polio-vaccine-ddt-pest...