A recent study of alligators in the Cape Fear River found the animals had elevated levels of 14 different per- and polyfluoroalkyl (PFAS) chemicals in their blood serum, as well as clinical and genetic indicators of immune system effects. The work adds to the body of evidence connecting PFAS exposure with adverse immune system effects.
source https://www.lifetechnology.com/blogs/life-technology-science-news/alligators-exposed-to-pfas-show-autoimmune-effects