Appreciate you asking. I was the same way. I trusted the idea of vaccines because I thought I understood the science. Then when they were so persistent during COVID that set off a massive red flag.

Here’s where I’d start:

Dr. Suzanne Humphries who’s a former nephrologist who’s done deep research on vaccine history and just went on Joe Rogan.

Her book Dissolving Illusions breaks all this down with original data, graphs, and historical records.

Joe Rogan Podcast #2126

You can enter this into an LLM to get the data

CDC MMWR archives from the 1950s show the diagnostic change in criteria

This was also good

National Foundation for Infantile Paralysis policy shift (cited in Dissolving Illusions)

Doctors like Morton Biskind were writing about DDT in the 1940s.

Source:

Biskind, M. “Public Health Aspects of the New Insecticides,” American Journal of Digestive Diseases, 1953

Ralph Scobey, M.D. “The Poison Cause of Poliomyelitis And Obstructions To Its Investigation,” 1952

EPA DDT overview: https://www.epa.gov/ingredients-used-pesticide-products/ddt-brief-history-and-status

Early polio vaccines were contaminated with SV40 (as is the COVID vaccine)

Source:

Institute of Medicine report: https://www.ncbi.nlm.nih.gov/books/NBK221844/

Carbone et al., Oncogenic Potential of SV40 in Humans, Oncogene, 1997

FDA admission on SV40 contamination: https://www.fda.gov/media/123656/download (see section on historical safety)