Lets ask Big Pharma why ?
https://health.economictimes.indiatimes.com/news/pharma/can-cdc-in-the-us-takings-millions-from-pharma-industry-be-unbiased/47357501
https://easyhealthoptions.com/cdc-bed-big-pharma/
And lets look at the FDA.
https://www.forbes.com/sites/johnlamattina/2018/06/28/the-biopharmaceutical-industry-provides-75-of-the-fdas-drug-review-budget-is-this-a-problem/?sh=253a9bbb49ec
(post is archived)