general info + CJD:

• https://www.cdc.gov/prions/cwd/index.html
• https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3689509/
• https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4010318/
• https://www.frontiersin.org/articles/10.3389/fneur.2021.613991
• https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8134134/

bse information:

• https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/cattle-disease-information/cattle-bse/cattle-bse#:~:text=Cattle affected by BSE experience,without noticeable loss of appetite.
• https://www.fda.gov/animal-veterinary/animal-health-literacy/all-about-bse-mad-cow-disease
• https://www.cdc.gov/prions/bse/index.html

and cw

• https://www.cdc.gov/prions/cwd/index.html
• https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/cervid/cervids-cwd/cervid-cwd
• https://www.nps.gov/articles/cwd.htm

and scrapie

• https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/nvap/NVAP-Reference-Guide/Control-and-Eradication/Scrapie#:~:text=Signs of scrapie vary widely,progresses to recumbency and death.
• https://www.gov.scot/publications/scrapie/
• https://www.merckvetmanual.com/nervous-system/scrapie/scrapie
• https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/sa_animal_disease_information/sheep-goat/disease-info/index